diff options
Diffstat (limited to 'vernac')
63 files changed, 3303 insertions, 1682 deletions
diff --git a/vernac/.ocamlformat-enable b/vernac/.ocamlformat-enable new file mode 100644 index 0000000000..ffaa7e70f4 --- /dev/null +++ b/vernac/.ocamlformat-enable @@ -0,0 +1 @@ +comHints.ml diff --git a/vernac/auto_ind_decl.ml b/vernac/auto_ind_decl.ml index 0c9b9c7255..743d1d2026 100644 --- a/vernac/auto_ind_decl.ml +++ b/vernac/auto_ind_decl.ml @@ -113,8 +113,8 @@ let mkFullInd (ind,u) n = else mkIndU (ind,u) let check_bool_is_defined () = - try let _ = Typeops.type_of_global_in_context (Global.env ()) Coqlib.(lib_ref "core.bool.type") in () - with e when CErrors.noncritical e -> raise (UndefinedCst "bool") + if not (Coqlib.has_ref "core.bool.type") + then raise (UndefinedCst "bool") let check_no_indices mib = if Array.exists (fun mip -> mip.mind_nrealargs <> 0) mib.mind_packets then @@ -122,6 +122,53 @@ let check_no_indices mib = let beq_scheme_kind_aux = ref (fun _ -> failwith "Undefined") +let build_beq_scheme_deps kn = + (* fetching global env *) + let env = Global.env() in + (* fetching the mutual inductive body *) + let mib = Global.lookup_mind kn in + (* number of inductives in the mutual *) + let nb_ind = Array.length mib.mind_packets in + (* number of params in the type *) + let nparrec = mib.mind_nparams_rec in + check_no_indices mib; + let make_one_eq accu i = + (* This function is only trying to recursively compute the inductive types + appearing as arguments of the constructors. This is done to support + equality decision over hereditarily first-order types. It could be + perfomed in a much cleaner way, e.g. using the kernel normal form of + constructor types and kernel whd_all for the argument types. *) + let rec aux accu c = + let (c,a) = Reductionops.whd_betaiota_stack Evd.empty EConstr.(of_constr c) in + let (c,a) = EConstr.Unsafe.(to_constr c, List.map to_constr a) in + match Constr.kind c with + | Cast (x,_,_) -> aux accu (Term.applist (x,a)) + | App _ -> assert false + | Ind ((kn', _), _) -> + if MutInd.equal kn kn' then accu + else + let eff = SchemeMutualDep (kn', !beq_scheme_kind_aux ()) in + List.fold_left aux (eff :: accu) a + | Const (kn, u) -> + (match Environ.constant_opt_value_in env (kn, u) with + | Some c -> aux accu (Term.applist (c,a)) + | None -> accu) + | Rel _ | Var _ | Sort _ | Prod _ | Lambda _ | LetIn _ | Proj _ + | Construct _ | Case _ | CoFix _ | Fix _ | Meta _ | Evar _ | Int _ + | Float _ -> accu + in + let u = Univ.Instance.empty in + let constrs n = get_constructors env (make_ind_family (((kn, i), u), + Context.Rel.to_extended_list mkRel (n+nb_ind-1) mib.mind_params_ctxt)) in + let constrsi = constrs (3+nparrec) in + let fold i accu arg = + let fold accu c = aux accu (RelDecl.get_type c) in + List.fold_left fold accu arg.cs_args + in + Array.fold_left_i fold accu constrsi + in + Array.fold_left_i (fun i accu _ -> make_one_eq accu i) [] mib.mind_packets + let build_beq_scheme mode kn = check_bool_is_defined (); (* fetching global env *) @@ -194,7 +241,7 @@ let build_beq_scheme mode kn = let (c,a) = Reductionops.whd_betaiota_stack Evd.empty EConstr.(of_constr c) in let (c,a) = EConstr.Unsafe.(to_constr c, List.map to_constr a) in match Constr.kind c with - | Rel x -> mkRel (x-nlist+ndx), Evd.empty_side_effects + | Rel x -> mkRel (x-nlist+ndx) | Var x -> (* Support for working in a context with "eq_x : x -> x -> bool" *) let eid = Id.of_string ("eq_"^(Id.to_string x)) in @@ -202,26 +249,23 @@ let build_beq_scheme mode kn = try ignore (Environ.lookup_named eid env) with Not_found -> raise (ParameterWithoutEquality (GlobRef.VarRef x)) in - mkVar eid, Evd.empty_side_effects + mkVar eid | Cast (x,_,_) -> aux (Term.applist (x,a)) | App _ -> assert false | Ind ((kn',i as ind'),u) (*FIXME: universes *) -> - if MutInd.equal kn kn' then mkRel(eqA-nlist-i+nb_ind-1), Evd.empty_side_effects + if MutInd.equal kn kn' then mkRel(eqA-nlist-i+nb_ind-1) else begin try - let eq, eff = - let c, eff = find_scheme ~mode (!beq_scheme_kind_aux()) (kn',i) in - mkConst c, eff in - let eqa, eff = - let eqa, effs = List.split (List.map aux a) in - Array.of_list eqa, - List.fold_left Evd.concat_side_effects eff (List.rev effs) - in + let eq = match lookup_scheme (!beq_scheme_kind_aux()) ind' with + | Some c -> mkConst c + | None -> assert false + in + let eqa = Array.of_list @@ List.map aux a in let args = Array.append (Array.of_list (List.map (fun x -> lift lifti x) a)) eqa in - if Int.equal (Array.length args) 0 then eq, eff - else mkApp (eq, args), eff + if Int.equal (Array.length args) 0 then eq + else mkApp (eq, args) with Not_found -> raise(EqNotFound (ind', fst ind)) end | Sort _ -> raise InductiveWithSort @@ -236,10 +280,10 @@ let build_beq_scheme mode kn = (* Needs Hints, see test suite *) let eq_lbl = Label.make ("eq_" ^ Label.to_string (Constant.label kn)) in let kneq = Constant.change_label kn eq_lbl in - try let _ = Environ.constant_opt_value_in env (kneq, u) in - Term.applist (mkConst kneq,a), - Evd.empty_side_effects - with Not_found -> raise (ParameterWithoutEquality (GlobRef.ConstRef kn))) + if Environ.mem_constant kneq env then + let _ = Environ.constant_opt_value_in env (kneq, u) in + Term.applist (mkConst kneq,a) + else raise (ParameterWithoutEquality (GlobRef.ConstRef kn))) | Proj _ -> raise (EqUnknown "projection") | Construct _ -> raise (EqUnknown "constructor") | Case _ -> raise (EqUnknown "match") @@ -270,7 +314,6 @@ let build_beq_scheme mode kn = let constrsi = constrs (3+nparrec) in let n = Array.length constrsi in let ar = Array.make n (ff ()) in - let eff = ref Evd.empty_side_effects in for i=0 to n-1 do let nb_cstr_args = List.length constrsi.(i).cs_args in let ar2 = Array.make n (ff ()) in @@ -282,13 +325,12 @@ let build_beq_scheme mode kn = | _ -> let eqs = Array.make nb_cstr_args (tt ()) in for ndx = 0 to nb_cstr_args-1 do let cc = RelDecl.get_type (List.nth constrsi.(i).cs_args ndx) in - let eqA, eff' = compute_A_equality rel_list + let eqA = compute_A_equality rel_list nparrec (nparrec+3+2*nb_cstr_args) (nb_cstr_args+ndx+1) cc in - eff := Evd.concat_side_effects eff' !eff; Array.set eqs ndx (mkApp (eqA, [|mkRel (ndx+1+nb_cstr_args);mkRel (ndx+1)|] @@ -314,21 +356,18 @@ let build_beq_scheme mode kn = done; mkNamedLambda (make_annot (Id.of_string "X") Sorts.Relevant) (mkFullInd ind (nb_ind-1+1)) ( mkNamedLambda (make_annot (Id.of_string "Y") Sorts.Relevant) (mkFullInd ind (nb_ind-1+2)) ( - mkCase (ci, do_predicate rel_list 0,mkVar (Id.of_string "X"),ar))), - !eff + mkCase (ci, do_predicate rel_list 0,mkVar (Id.of_string "X"),ar))) in (* build_beq_scheme *) let names = Array.make nb_ind (make_annot Anonymous Sorts.Relevant) and types = Array.make nb_ind mkSet and cores = Array.make nb_ind mkSet in - let eff = ref Evd.empty_side_effects in let u = Univ.Instance.empty in for i=0 to (nb_ind-1) do names.(i) <- make_annot (Name (Id.of_string (rec_name i))) Sorts.Relevant; types.(i) <- mkArrow (mkFullInd ((kn,i),u) 0) Sorts.Relevant (mkArrow (mkFullInd ((kn,i),u) 1) Sorts.Relevant (bb ())); - let c, eff' = make_one_eq i in + let c = make_one_eq i in cores.(i) <- c; - eff := Evd.concat_side_effects eff' !eff done; (Array.init nb_ind (fun i -> let kelim = Inductive.elim_sort (mib,mib.mind_packets.(i)) in @@ -346,10 +385,12 @@ let build_beq_scheme mode kn = Vars.substl subst cores.(i) in create_input fix), - UState.make ~lbound:(Global.universes_lbound ()) (Global.universes ())), - !eff + UState.make ~lbound:(Global.universes_lbound ()) (Global.universes ())) -let beq_scheme_kind = declare_mutual_scheme_object "_beq" build_beq_scheme +let beq_scheme_kind = + declare_mutual_scheme_object "_beq" + ~deps:build_beq_scheme_deps + build_beq_scheme let _ = beq_scheme_kind_aux := fun () -> beq_scheme_kind @@ -373,7 +414,7 @@ so from Ai we can find the correct eq_Ai bl_ai or lb_ai let do_replace_lb mode lb_scheme_key aavoid narg p q = let open EConstr in let avoid = Array.of_list aavoid in - let do_arg sigma hd v offset = + let do_arg env sigma hd v offset = match kind sigma v with | Var s -> let x = narg*offset in @@ -390,7 +431,9 @@ let do_replace_lb mode lb_scheme_key aavoid narg p q = Parameter (see example "J" in test file SchemeEquality.v) *) let lbl = Label.to_string (Constant.label cst) in let newlbl = if Int.equal offset 1 then ("eq_" ^ lbl) else (lbl ^ "_lb") in - mkConst (Constant.change_label cst (Label.make newlbl)) + let newcst = Constant.change_label cst (Label.make newlbl) in + if Environ.mem_constant newcst env then mkConst newcst + else raise (ConstructorWithNonParametricInductiveType (fst hd)) | _ -> raise (ConstructorWithNonParametricInductiveType (fst hd)) in @@ -398,34 +441,18 @@ let do_replace_lb mode lb_scheme_key aavoid narg p q = let type_of_pq = Tacmach.New.pf_get_type_of gl p in let sigma = Tacmach.New.project gl in let env = Tacmach.New.pf_env gl in - let u,v = destruct_ind env sigma type_of_pq - in let lb_type_of_p = - try - let c, eff = find_scheme ~mode lb_scheme_key (fst u) (*FIXME*) in - Proofview.tclUNIT (mkConst c, eff) - with Not_found -> - (* spiwack: the format of this error message should probably - be improved. *) - let err_msg = - (str "Leibniz->boolean:" ++ - str "You have to declare the" ++ - str "decidability over " ++ - Printer.pr_econstr_env env sigma type_of_pq ++ - str " first.") - in - Tacticals.New.tclZEROMSG err_msg - in - lb_type_of_p >>= fun (lb_type_of_p,eff) -> + let u,v = destruct_ind env sigma type_of_pq in + find_scheme ~mode lb_scheme_key (fst u) (*FIXME*) >>= fun c -> + let lb_type_of_p = mkConst c in Proofview.tclEVARMAP >>= fun sigma -> let lb_args = Array.append (Array.append v - (Array.Smart.map (fun x -> do_arg sigma u x 1) v)) - (Array.Smart.map (fun x -> do_arg sigma u x 2) v) + (Array.Smart.map (fun x -> do_arg env sigma u x 1) v)) + (Array.Smart.map (fun x -> do_arg env sigma u x 2) v) in let app = if Array.is_empty lb_args then lb_type_of_p else mkApp (lb_type_of_p,lb_args) in Tacticals.New.tclTHENLIST [ - Proofview.tclEFFECTS eff; Equality.replace p q ; apply app ; Auto.default_auto] end @@ -433,7 +460,7 @@ let do_replace_lb mode lb_scheme_key aavoid narg p q = let do_replace_bl bl_scheme_key (ind,u as indu) aavoid narg lft rgt = let open EConstr in let avoid = Array.of_list aavoid in - let do_arg sigma hd v offset = + let do_arg env sigma hd v offset = match kind sigma v with | Var s -> let x = narg*offset in @@ -450,7 +477,9 @@ let do_replace_bl bl_scheme_key (ind,u as indu) aavoid narg lft rgt = Parameter (see example "J" in test file SchemeEquality.v) *) let lbl = Label.to_string (Constant.label cst) in let newlbl = if Int.equal offset 1 then ("eq_" ^ lbl) else (lbl ^ "_bl") in - mkConst (Constant.change_label cst (Label.make newlbl)) + let newcst = Constant.change_label cst (Label.make newlbl) in + if Environ.mem_constant newcst env then mkConst newcst + else raise (ConstructorWithNonParametricInductiveType (fst hd)) | _ -> raise (ConstructorWithNonParametricInductiveType (fst hd)) in @@ -469,32 +498,18 @@ let do_replace_bl bl_scheme_key (ind,u as indu) aavoid narg lft rgt = in if eq_ind (fst u) ind then Tacticals.New.tclTHENLIST [Equality.replace t1 t2; Auto.default_auto ; aux q1 q2 ] else ( - let bl_t1, eff = - try - let c, eff = find_scheme bl_scheme_key (fst u) (*FIXME*) in - mkConst c, eff - with Not_found -> - (* spiwack: the format of this error message should probably - be improved. *) - let err_msg = - (str "boolean->Leibniz:" ++ - str "You have to declare the" ++ - str "decidability over " ++ - Printer.pr_econstr_env env sigma tt1 ++ - str " first.") - in - user_err err_msg - in let bl_args = + find_scheme bl_scheme_key (fst u) (*FIXME*) >>= fun c -> + let bl_t1 = mkConst c in + let bl_args = Array.append (Array.append v - (Array.Smart.map (fun x -> do_arg sigma u x 1) v)) - (Array.Smart.map (fun x -> do_arg sigma u x 2) v ) + (Array.Smart.map (fun x -> do_arg env sigma u x 1) v)) + (Array.Smart.map (fun x -> do_arg env sigma u x 2) v ) in let app = if Array.is_empty bl_args then bl_t1 else mkApp (bl_t1,bl_args) in Tacticals.New.tclTHENLIST [ - Proofview.tclEFFECTS eff; Equality.replace_by t1 t2 (Tacticals.New.tclTHEN (apply app) (Auto.default_auto)) ; aux q1 q2 ] @@ -547,11 +562,12 @@ let eqI ind l = let list_id = list_id l in let eA = Array.of_list((List.map (fun (s,_,_,_) -> mkVar s) list_id)@ (List.map (fun (_,seq,_,_)-> mkVar seq) list_id )) - and e, eff = - try let c, eff = find_scheme beq_scheme_kind ind in mkConst c, eff - with Not_found -> user_err ~hdr:"AutoIndDecl.eqI" + and e = match lookup_scheme beq_scheme_kind ind with + | Some c -> mkConst c + | None -> + user_err ~hdr:"AutoIndDecl.eqI" (str "The boolean equality on " ++ Printer.pr_inductive (Global.env ()) ind ++ str " is needed."); - in (if Array.equal Constr.equal eA [||] then e else mkApp(e,eA)), eff + in (if Array.equal Constr.equal eA [||] then e else mkApp(e,eA)) (**********************************************************************) (* Boolean->Leibniz *) @@ -559,7 +575,7 @@ let eqI ind l = open Namegen let compute_bl_goal ind lnamesparrec nparrec = - let eqI, eff = eqI ind lnamesparrec in + let eqI = eqI ind lnamesparrec in let list_id = list_id lnamesparrec in let avoid = List.fold_right (Nameops.Name.fold_right (fun id l -> Id.Set.add id l)) (List.map RelDecl.get_name lnamesparrec) Id.Set.empty in let create_input c = @@ -600,7 +616,7 @@ let compute_bl_goal ind lnamesparrec nparrec = (mkApp(eq (),[|bb ();mkApp(eqI,[|mkVar n;mkVar m|]);tt ()|])) Sorts.Relevant (mkApp(eq (),[|mkFullInd (ind,u) (nparrec+3);mkVar n;mkVar m|])) - ))), eff + ))) let compute_bl_tact mode bl_scheme_key ind lnamesparrec nparrec = let list_id = list_id lnamesparrec in @@ -690,16 +706,19 @@ let make_bl_scheme mode mind = let nparrec = mib.mind_nparams_rec in let lnonparrec,lnamesparrec = (* TODO subst *) context_chop (nparams-nparrec) mib.mind_params_ctxt in - let bl_goal, eff = compute_bl_goal ind lnamesparrec nparrec in + let bl_goal = compute_bl_goal ind lnamesparrec nparrec in let uctx = UState.make ~lbound:(Global.universes_lbound ()) (Global.universes ()) in let side_eff = side_effect_of_mode mode in let bl_goal = EConstr.of_constr bl_goal in - let (ans, _, _, ctx) = Pfedit.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx ~typ:bl_goal + let (ans, _, _, _, ctx) = Declare.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx ~typ:bl_goal (compute_bl_tact mode (!bl_scheme_kind_aux()) (ind, EConstr.EInstance.empty) lnamesparrec nparrec) in - ([|ans|], ctx), eff + ([|ans|], ctx) -let bl_scheme_kind = declare_mutual_scheme_object "_dec_bl" make_bl_scheme +let bl_scheme_kind = + declare_mutual_scheme_object "_dec_bl" + ~deps:(fun ind -> [SchemeMutualDep (ind, beq_scheme_kind)]) + make_bl_scheme let _ = bl_scheme_kind_aux := fun () -> bl_scheme_kind @@ -710,7 +729,7 @@ let compute_lb_goal ind lnamesparrec nparrec = let list_id = list_id lnamesparrec in let eq = eq () and tt = tt () and bb = bb () in let avoid = List.fold_right (Nameops.Name.fold_right (fun id l -> Id.Set.add id l)) (List.map RelDecl.get_name lnamesparrec) Id.Set.empty in - let eqI, eff = eqI ind lnamesparrec in + let eqI = eqI ind lnamesparrec in let create_input c = let x = next_ident_away (Id.of_string "x") avoid and y = next_ident_away (Id.of_string "y") avoid in @@ -750,7 +769,7 @@ let compute_lb_goal ind lnamesparrec nparrec = (mkApp(eq,[|mkFullInd (ind,u) (nparrec+2);mkVar n;mkVar m|])) Sorts.Relevant (mkApp(eq,[|bb;mkApp(eqI,[|mkVar n;mkVar m|]);tt|])) - ))), eff + ))) let compute_lb_tact mode lb_scheme_key ind lnamesparrec nparrec = let list_id = list_id lnamesparrec in @@ -820,16 +839,19 @@ let make_lb_scheme mode mind = let nparrec = mib.mind_nparams_rec in let lnonparrec,lnamesparrec = context_chop (nparams-nparrec) mib.mind_params_ctxt in - let lb_goal, eff = compute_lb_goal ind lnamesparrec nparrec in + let lb_goal = compute_lb_goal ind lnamesparrec nparrec in let uctx = UState.make ~lbound:(Global.universes_lbound ()) (Global.universes ()) in let side_eff = side_effect_of_mode mode in let lb_goal = EConstr.of_constr lb_goal in - let (ans, _, _, ctx) = Pfedit.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx ~typ:lb_goal + let (ans, _, _, _, ctx) = Declare.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx ~typ:lb_goal (compute_lb_tact mode (!lb_scheme_kind_aux()) ind lnamesparrec nparrec) in - ([|ans|], ctx), eff + ([|ans|], ctx) -let lb_scheme_kind = declare_mutual_scheme_object "_dec_lb" make_lb_scheme +let lb_scheme_kind = + declare_mutual_scheme_object "_dec_lb" + ~deps:(fun ind -> [SchemeMutualDep (ind, beq_scheme_kind)]) + make_lb_scheme let _ = lb_scheme_kind_aux := fun () -> lb_scheme_kind @@ -837,8 +859,8 @@ let _ = lb_scheme_kind_aux := fun () -> lb_scheme_kind (* Decidable equality *) let check_not_is_defined () = - try ignore (Coqlib.lib_ref "core.not.type") - with Not_found -> raise (UndefinedCst "not") + if not (Coqlib.has_ref "core.not.type") + then raise (UndefinedCst "not") (* {n=m}+{n<>m} part *) let compute_dec_goal ind lnamesparrec nparrec = @@ -904,7 +926,8 @@ let compute_dec_tact ind lnamesparrec nparrec = let eq = eq () and tt = tt () and ff = ff () and bb = bb () in let list_id = list_id lnamesparrec in - let eqI, eff = eqI ind lnamesparrec in + find_scheme beq_scheme_kind ind >>= fun _ -> + let eqI = eqI ind lnamesparrec in let avoid = ref [] in let eqtrue x = mkApp(eq,[|bb;x;tt|]) in let eqfalse x = mkApp(eq,[|bb;x;ff|]) in @@ -926,21 +949,11 @@ let compute_dec_tact ind lnamesparrec nparrec = let eqbnm = mkApp(eqI,[|mkVar freshn;mkVar freshm|]) in let arfresh = Array.of_list fresh_first_intros in let xargs = Array.sub arfresh 0 (2*nparrec) in - begin try - let c, eff = find_scheme bl_scheme_kind ind in - Proofview.tclUNIT (mkConst c,eff) with - Not_found -> - Tacticals.New.tclZEROMSG (str "Error during the decidability part, boolean to leibniz equality is required.") - end >>= fun (blI,eff') -> - begin try - let c, eff = find_scheme lb_scheme_kind ind in - Proofview.tclUNIT (mkConst c,eff) with - Not_found -> - Tacticals.New.tclZEROMSG (str "Error during the decidability part, leibniz to boolean equality is required.") - end >>= fun (lbI,eff'') -> - let eff = (Evd.concat_side_effects eff'' (Evd.concat_side_effects eff' eff)) in + find_scheme bl_scheme_kind ind >>= fun c -> + let blI = mkConst c in + find_scheme lb_scheme_kind ind >>= fun c -> + let lbI = mkConst c in Tacticals.New.tclTHENLIST [ - Proofview.tclEFFECTS eff; intros_using fresh_first_intros; intros_using [freshn;freshm]; (*we do this so we don't have to prove the same goal twice *) @@ -1001,11 +1014,11 @@ let make_eq_decidability mode mind = let lnonparrec,lnamesparrec = context_chop (nparams-nparrec) mib.mind_params_ctxt in let side_eff = side_effect_of_mode mode in - let (ans, _, _, ctx) = Pfedit.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx + let (ans, _, _, _, ctx) = Declare.build_by_tactic ~poly:false ~side_eff (Global.env()) ~uctx ~typ:(EConstr.of_constr (compute_dec_goal (ind,u) lnamesparrec nparrec)) (compute_dec_tact ind lnamesparrec nparrec) in - ([|ans|], ctx), Evd.empty_side_effects + ([|ans|], ctx) let eq_dec_scheme_kind = declare_mutual_scheme_object "_eq_dec" make_eq_decidability diff --git a/vernac/canonical.ml b/vernac/canonical.ml index 390ed62bee..eaa6c84791 100644 --- a/vernac/canonical.ml +++ b/vernac/canonical.ml @@ -28,7 +28,7 @@ let discharge_canonical_structure (_,((gref, _ as x), local)) = let inCanonStruc : (GlobRef.t * inductive) * bool -> obj = declare_object {(default_object "CANONICAL-STRUCTURE") with - open_function = open_canonical_structure; + open_function = simple_open open_canonical_structure; cache_function = cache_canonical_structure; subst_function = (fun (subst,(c,local)) -> subst_canonical_structure subst c, local); classify_function = (fun x -> Substitute x); diff --git a/vernac/classes.ml b/vernac/classes.ml index dafd1cc5e4..55af2e1a7d 100644 --- a/vernac/classes.ml +++ b/vernac/classes.ml @@ -116,7 +116,7 @@ let instance_input : instance -> obj = { (default_object "type classes instances state") with cache_function = cache_instance; load_function = (fun _ x -> cache_instance x); - open_function = (fun _ x -> cache_instance x); + open_function = simple_open (fun _ x -> cache_instance x); classify_function = classify_instance; discharge_function = discharge_instance; rebuild_function = rebuild_instance; @@ -237,7 +237,7 @@ let class_input : typeclass -> obj = { (default_object "type classes state") with cache_function = cache_class; load_function = (fun _ -> cache_class); - open_function = (fun _ -> cache_class); + open_function = simple_open (fun _ -> cache_class); classify_function = (fun x -> Substitute x); discharge_function = (fun a -> Some (discharge_class a)); rebuild_function = rebuild_class; @@ -304,22 +304,19 @@ let id_of_class cl = mip.(0).Declarations.mind_typename | _ -> assert false -let instance_hook info global imps ?hook cst = - Impargs.maybe_declare_manual_implicits false cst imps; +let instance_hook info global ?hook cst = let info = intern_info info in let env = Global.env () in let sigma = Evd.from_env env in declare_instance env sigma (Some info) (not global) cst; (match hook with Some h -> h cst | None -> ()) -let declare_instance_constant info global imps ?hook name udecl poly sigma term termtype = +let declare_instance_constant info global impargs ?hook name udecl poly sigma term termtype = let kind = Decls.(IsDefinition Instance) in - let sigma, entry = DeclareDef.prepare_definition - ~allow_evars:false ~poly sigma ~udecl ~types:(Some termtype) ~body:term in - let kn = Declare.declare_constant ~name ~kind (Declare.DefinitionEntry entry) in - Declare.definition_message name; - DeclareUniv.declare_univ_binders (GlobRef.ConstRef kn) (Evd.universe_binders sigma); - instance_hook info global imps ?hook (GlobRef.ConstRef kn) + let scope = Declare.Global Declare.ImportDefaultBehavior in + let kn = Declare.declare_definition ~name ~kind ~scope ~impargs + ~opaque:false ~poly sigma ~udecl ~types:(Some termtype) ~body:term in + instance_hook info global ?hook kn let do_declare_instance sigma ~global ~poly k u ctx ctx' pri udecl impargs subst name = let subst = List.fold_left2 @@ -328,30 +325,31 @@ let do_declare_instance sigma ~global ~poly k u ctx ctx' pri udecl impargs subst in let (_, ty_constr) = instance_constructor (k,u) subst in let termtype = it_mkProd_or_LetIn ty_constr (ctx' @ ctx) in - let sigma, entry = DeclareDef.prepare_parameter ~allow_evars:false ~poly sigma ~udecl ~types:termtype in + let sigma, entry = Declare.prepare_parameter ~poly sigma ~udecl ~types:termtype in let cst = Declare.declare_constant ~name ~kind:Decls.(IsAssumption Logical) (Declare.ParameterEntry entry) in DeclareUniv.declare_univ_binders (GlobRef.ConstRef cst) (Evd.universe_binders sigma); - instance_hook pri global impargs (GlobRef.ConstRef cst) + let cst = (GlobRef.ConstRef cst) in + Impargs.maybe_declare_manual_implicits false cst impargs; + instance_hook pri global cst -let declare_instance_program env sigma ~global ~poly name pri imps udecl term termtype = - let hook { DeclareDef.Hook.S.scope; dref; _ } = +let declare_instance_program env sigma ~global ~poly name pri impargs udecl term termtype = + let hook { Declare.Hook.S.scope; dref; _ } = let cst = match dref with GlobRef.ConstRef kn -> kn | _ -> assert false in - Impargs.declare_manual_implicits false dref imps; let pri = intern_info pri in let env = Global.env () in let sigma = Evd.from_env env in declare_instance env sigma (Some pri) (not global) (GlobRef.ConstRef cst) in - let obls, _, term, typ = Obligations.eterm_obligations env name sigma 0 term termtype in - let hook = DeclareDef.Hook.make hook in + let obls, _, term, typ = RetrieveObl.retrieve_obligations env name sigma 0 term termtype in + let hook = Declare.Hook.make hook in let uctx = Evd.evar_universe_context sigma in - let scope, kind = DeclareDef.Global Declare.ImportDefaultBehavior, Decls.Instance in + let scope, kind = Declare.Global Declare.ImportDefaultBehavior, Decls.Instance in let _ : DeclareObl.progress = - Obligations.add_definition ~name ~term ~udecl ~scope ~poly ~kind ~hook typ ~uctx obls + Obligations.add_definition ~name ~term ~udecl ~scope ~poly ~kind ~hook ~impargs ~uctx typ obls in () -let declare_instance_open sigma ?hook ~tac ~global ~poly id pri imps udecl ids term termtype = +let declare_instance_open sigma ?hook ~tac ~global ~poly id pri impargs udecl ids term termtype = (* spiwack: it is hard to reorder the actions to do the pretyping after the proof has opened. As a consequence, we use the low-level primitives to code @@ -359,12 +357,12 @@ let declare_instance_open sigma ?hook ~tac ~global ~poly id pri imps udecl ids t let gls = List.rev (Evd.future_goals sigma) in let sigma = Evd.reset_future_goals sigma in let kind = Decls.(IsDefinition Instance) in - let hook = DeclareDef.Hook.(make (fun { S.dref ; _ } -> instance_hook pri global imps ?hook dref)) in + let hook = Declare.Hook.(make (fun { S.dref ; _ } -> instance_hook pri global ?hook dref)) in let info = Lemmas.Info.make ~hook ~kind () in (* XXX: We need to normalize the type, otherwise Admitted / Qed will fails! This is due to a bug in proof_global :( *) let termtype = Evarutil.nf_evar sigma termtype in - let lemma = Lemmas.start_lemma ~name:id ~poly ~udecl ~info sigma termtype in + let lemma = Lemmas.start_lemma ~name:id ~poly ~udecl ~info ~impargs sigma termtype in (* spiwack: I don't know what to do with the status here. *) let lemma = match term with @@ -487,10 +485,8 @@ let do_instance env env' sigma ?hook ~global ~poly cty k u ctx ctx' pri decl imp interp_props ~program_mode:false env' cty k u ctx ctx' subst sigma props in let termtype, sigma = do_instance_resolve_TC termtype sigma env in - if Evd.has_undefined sigma then - CErrors.user_err Pp.(str "Unsolved obligations remaining.") - else - declare_instance_constant pri global imps ?hook id decl poly sigma term termtype + Pretyping.check_evars_are_solved ~program_mode:false env sigma; + declare_instance_constant pri global imps ?hook id decl poly sigma term termtype let do_instance_program env env' sigma ?hook ~global ~poly cty k u ctx ctx' pri decl imps subst id opt_props = let term, termtype, sigma = @@ -516,7 +512,8 @@ let interp_instance_context ~program_mode env ctx ~generalize pl tclass = else tclass in let sigma, (impls, ((env', ctx), imps)) = interp_context_evars ~program_mode env sigma ctx in - let sigma, (c', imps') = interp_type_evars_impls ~program_mode ~impls env' sigma tclass in + let flags = Pretyping.{ all_no_fail_flags with program_mode } in + let sigma, (c', imps') = interp_type_evars_impls ~flags ~impls env' sigma tclass in let imps = imps @ imps' in let ctx', c = decompose_prod_assum sigma c' in let ctx'' = ctx' @ ctx in diff --git a/vernac/classes.mli b/vernac/classes.mli index 9698c14452..1b6deb3b28 100644 --- a/vernac/classes.mli +++ b/vernac/classes.mli @@ -22,7 +22,7 @@ val declare_instance : ?warn:bool -> env -> Evd.evar_map -> Does nothing — or emit a “not-a-class” warning if the [warn] argument is set — when said type is not a registered type class. *) -val existing_instance : bool -> qualid -> Hints.hint_info_expr option -> unit +val existing_instance : bool -> qualid -> Vernacexpr.hint_info_expr option -> unit (** globality, reference, optional priority and pattern information *) val new_instance_interactive @@ -34,7 +34,7 @@ val new_instance_interactive -> ?generalize:bool -> ?tac:unit Proofview.tactic -> ?hook:(GlobRef.t -> unit) - -> Hints.hint_info_expr + -> Vernacexpr.hint_info_expr -> (bool * constr_expr) option -> Id.t * Lemmas.t @@ -47,7 +47,7 @@ val new_instance -> (bool * constr_expr) -> ?generalize:bool -> ?hook:(GlobRef.t -> unit) - -> Hints.hint_info_expr + -> Vernacexpr.hint_info_expr -> Id.t val new_instance_program @@ -59,7 +59,7 @@ val new_instance_program -> (bool * constr_expr) option -> ?generalize:bool -> ?hook:(GlobRef.t -> unit) - -> Hints.hint_info_expr + -> Vernacexpr.hint_info_expr -> Id.t val declare_new_instance @@ -69,7 +69,7 @@ val declare_new_instance -> ident_decl -> local_binder_expr list -> constr_expr - -> Hints.hint_info_expr + -> Vernacexpr.hint_info_expr -> unit (** {6 Low level interface used by Add Morphism, do not use } *) diff --git a/vernac/comArguments.ml b/vernac/comArguments.ml index 90791a0906..360e228bfc 100644 --- a/vernac/comArguments.ml +++ b/vernac/comArguments.ml @@ -52,10 +52,10 @@ let warn_arguments_assert = CWarnings.create ~name:"arguments-assert" ~category:"vernacular" Pp.(fun sr -> strbrk "This command is just asserting the names of arguments of " ++ - Printer.pr_global sr ++ strbrk". If this is what you want add " ++ + Printer.pr_global sr ++ strbrk". If this is what you want, add " ++ strbrk "': assert' to silence the warning. If you want " ++ - strbrk "to clear implicit arguments add ': clear implicits'. " ++ - strbrk "If you want to clear notation scopes add ': clear scopes'") + strbrk "to clear implicit arguments, add ': clear implicits'. " ++ + strbrk "If you want to clear notation scopes, add ': clear scopes'") (* [nargs_for_red] is the number of arguments required to trigger reduction, [args] is the main list of arguments statuses, diff --git a/vernac/comAssumption.ml b/vernac/comAssumption.ml index dc9c8e2d3c..023d76ce3b 100644 --- a/vernac/comAssumption.ml +++ b/vernac/comAssumption.ml @@ -70,7 +70,8 @@ let declare_axiom is_coe ~poly ~local ~kind typ (univs, pl) imps nl {CAst.v=name (gr,inst) let interp_assumption ~program_mode sigma env impls c = - let sigma, (ty, impls) = interp_type_evars_impls ~program_mode env sigma ~impls c in + let flags = { Pretyping.all_no_fail_flags with program_mode } in + let sigma, (ty, impls) = interp_type_evars_impls ~flags env sigma ~impls c in sigma, (ty, impls) (* When monomorphic the universe constraints and universe names are @@ -86,11 +87,10 @@ let context_set_of_entry = function | Monomorphic_entry uctx -> uctx let declare_assumptions ~poly ~scope ~kind univs nl l = - let open DeclareDef in - let () = match scope with + let () = let open Declare in match scope with | Discharge -> (* declare universes separately for variables *) - Declare.declare_universe_context ~poly (context_set_of_entry (fst univs)) + DeclareUctx.declare_universe_context ~poly (context_set_of_entry (fst univs)) | Global _ -> () in let _, _ = List.fold_left (fun (subst,univs) ((is_coe,idl),typ,imps) -> @@ -99,10 +99,10 @@ let declare_assumptions ~poly ~scope ~kind univs nl l = let univs,subst' = List.fold_left_map (fun univs id -> let refu = match scope with - | Discharge -> + | Declare.Discharge -> declare_variable is_coe ~kind typ imps Glob_term.Explicit id; GlobRef.VarRef id.CAst.v, Univ.Instance.empty - | Global local -> + | Declare.Global local -> declare_axiom is_coe ~local ~poly ~kind typ univs imps nl id in next_univs univs, (id.CAst.v, Constr.mkRef refu)) @@ -129,7 +129,7 @@ let process_assumptions_udecls ~scope l = udecl, id | (_, ([], _))::_ | [] -> assert false in - let open DeclareDef in + let open Declare in let () = match scope, udecl with | Discharge, Some _ -> let loc = first_id.CAst.loc in @@ -160,7 +160,7 @@ let do_assumptions ~program_mode ~poly ~scope ~kind nl l = let env = EConstr.push_named_context (List.map (fun {CAst.v=id} -> LocalAssum (make_annot id r,t)) idl) env in let ienv = List.fold_right (fun {CAst.v=id} ienv -> - let impls = compute_internalization_data env sigma Variable t imps in + let impls = compute_internalization_data env sigma id Variable t imps in Id.Map.add id impls ienv) idl ienv in ((sigma,env,ienv),((is_coe,idl),t,imps))) (sigma,env,empty_internalization_env) l @@ -190,7 +190,7 @@ let context_subst subst (name,b,t,impl) = let context_insection sigma ~poly ctx = let uctx = Evd.universe_context_set sigma in - let () = Declare.declare_universe_context ~poly uctx in + let () = DeclareUctx.declare_universe_context ~poly uctx in let fn subst (name,_,_,_ as d) = let d = context_subst subst d in let () = match d with @@ -203,8 +203,12 @@ let context_insection sigma ~poly ctx = else Monomorphic_entry Univ.ContextSet.empty in let entry = Declare.definition_entry ~univs ~types:t b in - let _ : GlobRef.t = DeclareDef.declare_definition ~name ~scope:DeclareDef.Discharge - ~kind:Decls.(IsDefinition Definition) ~ubind:UnivNames.empty_binders ~impargs:[] entry + (* XXX Fixme: Use DeclareDef.prepare_definition *) + let uctx = Evd.evar_universe_context sigma in + let kind = Decls.(IsDefinition Definition) in + let _ : GlobRef.t = + Declare.declare_entry ~name ~scope:Declare.Discharge + ~kind ~impargs:[] ~uctx entry in () in @@ -221,7 +225,7 @@ let context_nosection sigma ~poly ctx = (* Multiple monomorphic axioms: declare universes separately to avoid redeclaring them. *) let uctx = Evd.universe_context_set sigma in - let () = Declare.declare_universe_context ~poly uctx in + let () = DeclareUctx.declare_universe_context ~poly uctx in Monomorphic_entry Univ.ContextSet.empty in let fn subst d = diff --git a/vernac/comAssumption.mli b/vernac/comAssumption.mli index 4b953c8869..989015a9f3 100644 --- a/vernac/comAssumption.mli +++ b/vernac/comAssumption.mli @@ -17,7 +17,7 @@ open Constrexpr val do_assumptions : program_mode:bool -> poly:bool - -> scope:DeclareDef.locality + -> scope:Declare.locality -> kind:Decls.assumption_object_kind -> Declaremods.inline -> (ident_decl list * constr_expr) with_coercion list diff --git a/vernac/comCoercion.ml b/vernac/comCoercion.ml index c339c53a9b..d6be02245c 100644 --- a/vernac/comCoercion.ml +++ b/vernac/comCoercion.ml @@ -256,7 +256,7 @@ let classify_coercion obj = let inCoercion : coercion -> obj = declare_object {(default_object "COERCION") with - open_function = open_coercion; + open_function = simple_open open_coercion; cache_function = cache_coercion; subst_function = (fun (subst,c) -> subst_coercion subst c); classify_function = classify_coercion; @@ -352,8 +352,8 @@ let try_add_new_identity_coercion id ~local ~poly ~source ~target = let try_add_new_coercion_with_source ref ~local ~poly ~source = try_add_new_coercion_core ref ~local poly (Some source) None false -let add_coercion_hook poly { DeclareDef.Hook.S.scope; dref; _ } = - let open DeclareDef in +let add_coercion_hook poly { Declare.Hook.S.scope; dref; _ } = + let open Declare in let local = match scope with | Discharge -> assert false (* Local Coercion in section behaves like Local Definition *) | Global ImportNeedQualified -> true @@ -363,10 +363,10 @@ let add_coercion_hook poly { DeclareDef.Hook.S.scope; dref; _ } = let msg = Nametab.pr_global_env Id.Set.empty dref ++ str " is now a coercion" in Flags.if_verbose Feedback.msg_info msg -let add_coercion_hook ~poly = DeclareDef.Hook.make (add_coercion_hook poly) +let add_coercion_hook ~poly = Declare.Hook.make (add_coercion_hook poly) -let add_subclass_hook ~poly { DeclareDef.Hook.S.scope; dref; _ } = - let open DeclareDef in +let add_subclass_hook ~poly { Declare.Hook.S.scope; dref; _ } = + let open Declare in let stre = match scope with | Discharge -> assert false (* Local Subclass in section behaves like Local Definition *) | Global ImportNeedQualified -> true @@ -375,4 +375,4 @@ let add_subclass_hook ~poly { DeclareDef.Hook.S.scope; dref; _ } = let cl = class_of_global dref in try_add_new_coercion_subclass cl ~local:stre ~poly -let add_subclass_hook ~poly = DeclareDef.Hook.make (add_subclass_hook ~poly) +let add_subclass_hook ~poly = Declare.Hook.make (add_subclass_hook ~poly) diff --git a/vernac/comCoercion.mli b/vernac/comCoercion.mli index 3b44bdaf8a..dee693232f 100644 --- a/vernac/comCoercion.mli +++ b/vernac/comCoercion.mli @@ -46,8 +46,8 @@ val try_add_new_identity_coercion -> local:bool -> poly:bool -> source:cl_typ -> target:cl_typ -> unit -val add_coercion_hook : poly:bool -> DeclareDef.Hook.t +val add_coercion_hook : poly:bool -> Declare.Hook.t -val add_subclass_hook : poly:bool -> DeclareDef.Hook.t +val add_subclass_hook : poly:bool -> Declare.Hook.t val class_of_global : GlobRef.t -> cl_typ diff --git a/vernac/comDefinition.ml b/vernac/comDefinition.ml index ba2c1ac115..95f3955309 100644 --- a/vernac/comDefinition.ml +++ b/vernac/comDefinition.ml @@ -12,7 +12,6 @@ open Pp open Util open Redexpr open Constrintern -open Pretyping (* Commands of the interface: Constant definitions *) @@ -40,15 +39,56 @@ let check_imps ~impsty ~impsbody = | [], [] -> () in aux impsty impsbody +let protect_pattern_in_binder bl c ctypopt = + (* We turn "Definition d binders := body : typ" into *) + (* "Definition d := fun binders => body:type" *) + (* This is a hack while waiting for LocalPattern in regular environments *) + if List.exists (function Constrexpr.CLocalPattern _ -> true | _ -> false) bl + then + let t = match ctypopt with + | None -> CAst.make ?loc:c.CAst.loc (Constrexpr.CHole (None,Namegen.IntroAnonymous,None)) + | Some t -> t in + let loc = Loc.merge_opt c.CAst.loc t.CAst.loc in + let c = CAst.make ?loc @@ Constrexpr.CCast (c, Glob_term.CastConv t) in + let loc = match List.hd bl with + | Constrexpr.CLocalAssum (a::_,_,_) | Constrexpr.CLocalDef (a,_,_) -> a.CAst.loc + | Constrexpr.CLocalPattern {CAst.loc} -> loc + | Constrexpr.CLocalAssum ([],_,_) -> assert false in + let apply_under_binders f env evd c = + let rec aux env evd c = + let open Constr in + let open EConstr in + let open Context.Rel.Declaration in + match kind evd c with + | Lambda (x,t,c) -> + let evd,c = aux (push_rel (LocalAssum (x,t)) env) evd c in + evd, mkLambda (x,t,c) + | LetIn (x,b,t,c) -> + let evd,c = aux (push_rel (LocalDef (x,b,t)) env) evd c in + evd, mkLetIn (x,t,b,c) + | Case (ci,p,a,bl) -> + let evd,bl = Array.fold_left_map (aux env) evd bl in + evd, mkCase (ci,p,a,bl) + | Cast (c,_,_) -> f env evd c (* we remove the cast we had set *) + (* This last case may happen when reaching the proof of an + impossible case, as when pattern-matching on a vector of length 1 *) + | _ -> (evd,c) in + aux env evd c in + ([], Constrexpr_ops.mkLambdaCN ?loc:(Loc.merge_opt loc c.CAst.loc) bl c, None, apply_under_binders) + else + (bl, c, ctypopt, fun f env evd c -> f env evd c) + let interp_definition ~program_mode pl bl ~poly red_option c ctypopt = + let flags = Pretyping.{ all_no_fail_flags with program_mode } in let env = Global.env() in (* Explicitly bound universes and constraints *) let evd, udecl = Constrexpr_ops.interp_univ_decl_opt env pl in + let (bl, c, ctypopt, apply_under_binders) = protect_pattern_in_binder bl c ctypopt in (* Build the parameters *) let evd, (impls, ((env_bl, ctx), imps1)) = interp_context_evars ~program_mode env evd bl in (* Build the type *) let evd, tyopt = Option.fold_left_map - (interp_type_evars_impls ~program_mode ~impls env_bl) + (interp_type_evars_impls ~flags ~impls env_bl) evd ctypopt in (* Build the body, and merge implicits from parameters and from type/body *) @@ -63,46 +103,31 @@ let interp_definition ~program_mode pl bl ~poly red_option c ctypopt = evd, c, imps1@impsty, Some ty in (* Do the reduction *) - let evd, c = red_constant_body red_option env_bl evd c in + let evd, c = apply_under_binders (red_constant_body red_option) env_bl evd c in (* Declare the definition *) let c = EConstr.it_mkLambda_or_LetIn c ctx in let tyopt = Option.map (fun ty -> EConstr.it_mkProd_or_LetIn ty ctx) tyopt in + (c, tyopt), evd, udecl, imps - let evd, ce = DeclareDef.prepare_definition ~allow_evars:program_mode - ~opaque:false ~poly evd ~udecl ~types:tyopt ~body:c in - - (ce, evd, udecl, imps) - -let check_definition ~program_mode (ce, evd, _, imps) = - let env = Global.env () in - check_evars_are_solved ~program_mode env evd; - ce +let do_definition ?hook ~name ~scope ~poly ~kind udecl bl red_option c ctypopt = + let program_mode = false in + let (body, types), evd, udecl, impargs = + interp_definition ~program_mode udecl bl ~poly red_option c ctypopt + in + let kind = Decls.IsDefinition kind in + let _ : Names.GlobRef.t = + Declare.declare_definition ~name ~scope ~kind ?hook ~impargs + ~opaque:false ~poly evd ~udecl ~types ~body + in () -let do_definition ~program_mode ?hook ~name ~scope ~poly ~kind udecl bl red_option c ctypopt = - let (ce, evd, udecl, impargs as def) = +let do_definition_program ?hook ~name ~scope ~poly ~kind udecl bl red_option c ctypopt = + let program_mode = true in + let (body, types), evd, udecl, impargs = interp_definition ~program_mode udecl bl ~poly red_option c ctypopt in - if program_mode then - let env = Global.env () in - let (c,ctx), sideff = Future.force ce.Declare.proof_entry_body in - assert(Safe_typing.empty_private_constants = sideff.Evd.seff_private); - assert(Univ.ContextSet.is_empty ctx); - Obligations.check_evars env evd; - let c = EConstr.of_constr c in - let typ = match ce.Declare.proof_entry_type with - | Some t -> EConstr.of_constr t - | None -> Retyping.get_type_of env evd c - in - let obls, _, c, cty = - Obligations.eterm_obligations env name evd 0 c typ - in - let uctx = Evd.evar_universe_context evd in - ignore(Obligations.add_definition - ~name ~term:c cty ~uctx ~udecl ~impargs ~scope ~poly ~kind ?hook obls) - else - let ce = check_definition ~program_mode def in - let uctx = Evd.evar_universe_context evd in - let hook_data = Option.map (fun hook -> hook, uctx, []) hook in - let kind = Decls.IsDefinition kind in - ignore(DeclareDef.declare_definition ~name ~scope ~kind ?hook_data ~ubind:(Evd.universe_binders evd) ce ~impargs) + let term, ty, uctx, obls = Declare.prepare_obligation ~name ~poly ~body ~types ~udecl evd in + let _ : DeclareObl.progress = + Obligations.add_definition + ~name ~term ty ~uctx ~udecl ~impargs ~scope ~poly ~kind ?hook obls + in () diff --git a/vernac/comDefinition.mli b/vernac/comDefinition.mli index 6c6da8952e..2e8fe16252 100644 --- a/vernac/comDefinition.mli +++ b/vernac/comDefinition.mli @@ -15,10 +15,9 @@ open Constrexpr (** {6 Definitions/Let} *) val do_definition - : program_mode:bool - -> ?hook:DeclareDef.Hook.t + : ?hook:Declare.Hook.t -> name:Id.t - -> scope:DeclareDef.locality + -> scope:Declare.locality -> poly:bool -> kind:Decls.definition_object_kind -> universe_decl_expr option @@ -28,18 +27,15 @@ val do_definition -> constr_expr option -> unit -(************************************************************************) -(** Internal API *) -(************************************************************************) - -(** Not used anywhere. *) -val interp_definition - : program_mode:bool +val do_definition_program + : ?hook:Declare.Hook.t + -> name:Id.t + -> scope:Declare.locality + -> poly:bool + -> kind:Decls.definition_object_kind -> universe_decl_expr option -> local_binder_expr list - -> poly:bool -> red_expr option -> constr_expr -> constr_expr option - -> Evd.side_effects Declare.proof_entry * - Evd.evar_map * UState.universe_decl * Impargs.manual_implicits + -> unit diff --git a/vernac/comFixpoint.ml b/vernac/comFixpoint.ml index 6580495295..80ca85e9a6 100644 --- a/vernac/comFixpoint.ml +++ b/vernac/comFixpoint.ml @@ -53,7 +53,7 @@ let rec partial_order cmp = function (z, Inr (List.add_set cmp x (List.remove cmp y zge))) else (z, Inr zge)) res in - browse ((y,Inl x)::res) xge' (List.union cmp xge (List.remove cmp x yge)) + browse ((y,Inl x)::res) xge' (List.union cmp xge yge) else browse res (List.add_set cmp y (List.union cmp xge' yge)) xge with Not_found -> browse res (List.add_set cmp y xge') xge @@ -82,16 +82,25 @@ let warn_non_full_mutual = (fun (x,xge,y,yge,isfix,rest) -> non_full_mutual_message x xge y yge isfix rest) -let check_mutuality env evd isfix fixl = +let warn_non_recursive = + CWarnings.create ~name:"non-recursive" ~category:"fixpoints" + (fun (x,isfix) -> + let k = if isfix then "fixpoint" else "cofixpoint" in + strbrk "Not a truly recursive " ++ str k ++ str ".") + +let check_true_recursivity env evd isfix fixl = let names = List.map fst fixl in let preorder = List.map (fun (id,def) -> - (id, List.filter (fun id' -> not (Id.equal id id') && Termops.occur_var env evd id' def) names)) + (id, List.filter (fun id' -> Termops.occur_var env evd id' def) names)) fixl in let po = partial_order Id.equal preorder in match List.filter (function (_,Inr _) -> true | _ -> false) po with | (x,Inr xge)::(y,Inr yge)::rest -> warn_non_full_mutual (x,xge,y,yge,isfix,rest) + | _ -> + match po with + | [x,Inr []] -> warn_non_recursive (x,isfix) | _ -> () let interp_fix_context ~program_mode ~cofix env sigma fix = @@ -107,7 +116,8 @@ let interp_fix_context ~program_mode ~cofix env sigma fix = sigma, ((env'', ctx' @ ctx), (impl_env',imps @ imps'), annot) let interp_fix_ccl ~program_mode sigma impls (env,_) fix = - let sigma, (c, impl) = interp_type_evars_impls ~program_mode ~impls env sigma fix.Vernacexpr.rtype in + let flags = Pretyping.{ all_no_fail_flags with program_mode } in + let sigma, (c, impl) = interp_type_evars_impls ~flags ~impls env sigma fix.Vernacexpr.rtype in let r = Retyping.relevance_of_type env sigma c in sigma, (c, r, impl) @@ -140,8 +150,8 @@ let compute_possible_guardness_evidences (ctx,_,recindex) = fixpoints ?) *) List.interval 0 (Context.Rel.nhyps ctx - 1) -type recursive_preentry = - Id.t list * Sorts.relevance list * Constr.t option list * Constr.types list +type ('constr, 'types) recursive_preentry = + Id.t list * Sorts.relevance list * 'constr option list * 'types list (* Wellfounded definition *) @@ -221,7 +231,7 @@ let interp_recursive ~program_mode ~cofix (fixl : 'a Vernacexpr.fix_expr_gen lis let check_recursive isfix env evd (fixnames,_,fixdefs,_) = if List.for_all Option.has_some fixdefs then begin let fixdefs = List.map Option.get fixdefs in - check_mutuality env evd isfix (List.combine fixnames fixdefs) + check_true_recursivity env evd isfix (List.combine fixnames fixdefs) end let ground_fixpoint env evd (fixnames,fixrs,fixdefs,fixtypes) = @@ -230,9 +240,13 @@ let ground_fixpoint env evd (fixnames,fixrs,fixdefs,fixtypes) = let fixtypes = List.map EConstr.(to_constr evd) fixtypes in Evd.evar_universe_context evd, (fixnames,fixrs,fixdefs,fixtypes) -let interp_fixpoint ~cofix l = +(* XXX: Unify with interp_recursive *) +let interp_fixpoint ?(check_recursivity=true) ~cofix l : + ( (Constr.t, Constr.types) recursive_preentry * + UState.universe_decl * UState.t * + (EConstr.rel_context * Impargs.manual_implicits * int option) list) = let (env,_,pl,evd),fix,info = interp_recursive ~program_mode:false ~cofix l in - check_recursive true env evd fix; + if check_recursivity then check_recursive true env evd fix; let uctx,fix = ground_fixpoint env evd fix in (fix,pl,uctx,info) @@ -243,8 +257,10 @@ let build_recthms ~indexes fixnames fixtypes fiximps = in let thms = List.map3 (fun name typ (ctx,impargs,_) -> - { DeclareDef.Recthm.name; typ - ; args = List.map Context.Rel.Declaration.get_name ctx; impargs}) + { Declare.Recthm.name + ; typ + ; args = List.map Context.Rel.Declaration.get_name ctx + ; impargs}) fixnames fixtypes fiximps in fix_kind, cofix, thms @@ -268,7 +284,7 @@ let declare_fixpoint_generic ?indexes ~scope ~poly ((fixnames,fixrs,fixdefs,fixt let rec_declaration = prepare_recursive_declaration fixnames fixrs fixtypes fixdefs in let fix_kind = Decls.IsDefinition fix_kind in let _ : GlobRef.t list = - DeclareDef.declare_mutually_recursive ~scope ~opaque:false ~kind:fix_kind ~poly ~uctx + Declare.declare_mutually_recursive ~scope ~opaque:false ~kind:fix_kind ~poly ~uctx ~possible_indexes:indexes ~restrict_ucontext:true ~udecl ~ntns ~rec_declaration fixitems in diff --git a/vernac/comFixpoint.mli b/vernac/comFixpoint.mli index 2ad6c03bae..62a9d10bae 100644 --- a/vernac/comFixpoint.mli +++ b/vernac/comFixpoint.mli @@ -9,7 +9,6 @@ (************************************************************************) open Names -open Constr open Vernacexpr (** {6 Fixpoints and cofixpoints} *) @@ -17,16 +16,16 @@ open Vernacexpr (** Entry points for the vernacular commands Fixpoint and CoFixpoint *) val do_fixpoint_interactive : - scope:DeclareDef.locality -> poly:bool -> fixpoint_expr list -> Lemmas.t + scope:Declare.locality -> poly:bool -> fixpoint_expr list -> Lemmas.t val do_fixpoint : - scope:DeclareDef.locality -> poly:bool -> fixpoint_expr list -> unit + scope:Declare.locality -> poly:bool -> fixpoint_expr list -> unit val do_cofixpoint_interactive : - scope:DeclareDef.locality -> poly:bool -> cofixpoint_expr list -> Lemmas.t + scope:Declare.locality -> poly:bool -> cofixpoint_expr list -> Lemmas.t val do_cofixpoint : - scope:DeclareDef.locality -> poly:bool -> cofixpoint_expr list -> unit + scope:Declare.locality -> poly:bool -> cofixpoint_expr list -> unit (************************************************************************) (** Internal API *) @@ -40,6 +39,9 @@ val adjust_rec_order -> Constrexpr.recursion_order_expr option -> lident option +(** names / relevance / defs / types *) +type ('constr, 'types) recursive_preentry = Id.t list * Sorts.relevance list * 'constr option list * 'types list + (** Exported for Program *) val interp_recursive : (* Misc arguments *) @@ -49,18 +51,18 @@ val interp_recursive : (* env / signature / univs / evar_map *) (Environ.env * EConstr.named_context * UState.universe_decl * Evd.evar_map) * (* names / defs / types *) - (Id.t list * Sorts.relevance list * EConstr.constr option list * EConstr.types list) * + (EConstr.t, EConstr.types) recursive_preentry * (* ctx per mutual def / implicits / struct annotations *) (EConstr.rel_context * Impargs.manual_implicits * int option) list (** Exported for Funind *) -type recursive_preentry = Id.t list * Sorts.relevance list * constr option list * types list - val interp_fixpoint - : cofix:bool + : ?check_recursivity:bool -> + cofix:bool -> lident option fix_expr_gen list - -> recursive_preentry * UState.universe_decl * UState.t * + -> (Constr.t, Constr.types) recursive_preentry * + UState.universe_decl * UState.t * (EConstr.rel_context * Impargs.manual_implicits * int option) list (** Very private function, do not use *) diff --git a/vernac/comHints.ml b/vernac/comHints.ml new file mode 100644 index 0000000000..2fd6fe2b29 --- /dev/null +++ b/vernac/comHints.ml @@ -0,0 +1,157 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * Copyright INRIA, CNRS and contributors *) +(* <O___,, * (see version control and CREDITS file for authors & dates) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +open Util + +(** (Partial) implementation of the [Hint] command; some more + functionality still lives in tactics/hints.ml *) + +let project_hint ~poly pri l2r r = + let open EConstr in + let open Coqlib in + let gr = Smartlocate.global_with_alias r in + let env = Global.env () in + let sigma = Evd.from_env env in + let sigma, c = Evd.fresh_global env sigma gr in + let t = Retyping.get_type_of env sigma c in + let t = + Tacred.reduce_to_quantified_ref env sigma (lib_ref "core.iff.type") t + in + let sign, ccl = decompose_prod_assum sigma t in + let a, b = + match snd (decompose_app sigma ccl) with + | [a; b] -> (a, b) + | _ -> assert false + in + let p = if l2r then lib_ref "core.iff.proj1" else lib_ref "core.iff.proj2" in + let sigma, p = Evd.fresh_global env sigma p in + let c = + Reductionops.whd_beta sigma + (mkApp (c, Context.Rel.to_extended_vect mkRel 0 sign)) + in + let c = + it_mkLambda_or_LetIn + (mkApp + ( p + , [| mkArrow a Sorts.Relevant (Vars.lift 1 b) + ; mkArrow b Sorts.Relevant (Vars.lift 1 a) + ; c |] )) + sign + in + let name = + Nameops.add_suffix + (Nametab.basename_of_global gr) + ("_proj_" ^ if l2r then "l2r" else "r2l") + in + let ctx = Evd.univ_entry ~poly sigma in + let c = EConstr.to_constr sigma c in + let cb = + Declare.(DefinitionEntry (definition_entry ~univs:ctx ~opaque:false c)) + in + let c = + Declare.declare_constant ~local:Declare.ImportDefaultBehavior ~name + ~kind:Decls.(IsDefinition Definition) + cb + in + let info = {Typeclasses.hint_priority = pri; hint_pattern = None} in + (info, false, true, Hints.PathAny, Hints.IsGlobRef (Names.GlobRef.ConstRef c)) + +let warn_deprecated_hint_constr = + CWarnings.create ~name:"deprecated-hint-constr" ~category:"deprecated" + (fun () -> + Pp.strbrk + "Declaring arbitrary terms as hints is deprecated; declare a global \ + reference instead") + +let interp_hints ~poly h = + let env = Global.env () in + let sigma = Evd.from_env env in + let f poly c = + let evd, c = Constrintern.interp_open_constr env sigma c in + let env = Global.env () in + let sigma = Evd.from_env env in + let c, diff = Hints.prepare_hint true env sigma (evd, c) in + if poly then (Hints.IsConstr (c, diff) [@ocaml.warning "-3"]) + else + let () = DeclareUctx.declare_universe_context ~poly:false diff in + (Hints.IsConstr (c, Univ.ContextSet.empty) [@ocaml.warning "-3"]) + in + let fref r = + let gr = Smartlocate.global_with_alias r in + Dumpglob.add_glob ?loc:r.CAst.loc gr; + gr + in + let fr r = Tacred.evaluable_of_global_reference env (fref r) in + let fi c = + let open Hints in + let open Vernacexpr in + match c with + | HintsReference c -> + let gr = Smartlocate.global_with_alias c in + (PathHints [gr], poly, IsGlobRef gr) + | HintsConstr c -> + let () = warn_deprecated_hint_constr () in + (PathAny, poly, f poly c) + in + let fp = Constrintern.intern_constr_pattern env sigma in + let fres (info, b, r) = + let path, poly, gr = fi r in + let info = + { info with + Typeclasses.hint_pattern = Option.map fp info.Typeclasses.hint_pattern + } + in + (info, poly, b, path, gr) + in + let open Hints in + let open Vernacexpr in + let ft = function + | HintsVariables -> HintsVariables + | HintsConstants -> HintsConstants + | HintsReferences lhints -> HintsReferences (List.map fr lhints) + in + let fp = Constrintern.intern_constr_pattern (Global.env ()) in + match h with + | HintsResolve lhints -> HintsResolveEntry (List.map fres lhints) + | HintsResolveIFF (l2r, lc, n) -> + HintsResolveEntry (List.map (project_hint ~poly n l2r) lc) + | HintsImmediate lhints -> HintsImmediateEntry (List.map fi lhints) + | HintsUnfold lhints -> HintsUnfoldEntry (List.map fr lhints) + | HintsTransparency (t, b) -> HintsTransparencyEntry (ft t, b) + | HintsMode (r, l) -> HintsModeEntry (fref r, l) + | HintsConstructors lqid -> + let constr_hints_of_ind qid = + let ind = Smartlocate.global_inductive_with_alias qid in + let mib, _ = Global.lookup_inductive ind in + Dumpglob.dump_reference ?loc:qid.CAst.loc "<>" + (Libnames.string_of_qualid qid) + "ind"; + List.init (Inductiveops.nconstructors env ind) (fun i -> + let c = (ind, i + 1) in + let gr = Names.GlobRef.ConstructRef c in + ( empty_hint_info + , Declareops.inductive_is_polymorphic mib + , true + , PathHints [gr] + , IsGlobRef gr )) + in + HintsResolveEntry (List.flatten (List.map constr_hints_of_ind lqid)) + | HintsExtern (pri, patcom, tacexp) -> + let pat = Option.map (fp sigma) patcom in + let l = match pat with None -> [] | Some (l, _) -> l in + let ltacvars = + List.fold_left + (fun accu x -> Names.Id.Set.add x accu) + Names.Id.Set.empty l + in + let env = Genintern.{(empty_glob_sign env) with ltacvars} in + let _, tacexp = Genintern.generic_intern env tacexp in + HintsExternEntry + ({Typeclasses.hint_priority = Some pri; hint_pattern = pat}, tacexp) diff --git a/vernac/comHints.mli b/vernac/comHints.mli new file mode 100644 index 0000000000..20894eecf1 --- /dev/null +++ b/vernac/comHints.mli @@ -0,0 +1,11 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * Copyright INRIA, CNRS and contributors *) +(* <O___,, * (see version control and CREDITS file for authors & dates) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +val interp_hints : poly:bool -> Vernacexpr.hints_expr -> Hints.hints_entry diff --git a/vernac/comInductive.ml b/vernac/comInductive.ml index 1f1700b4d6..cc9b840bed 100644 --- a/vernac/comInductive.ml +++ b/vernac/comInductive.ml @@ -20,7 +20,6 @@ open Nameops open Constrexpr open Constrexpr_ops open Constrintern -open Reductionops open Type_errors open Pretyping open Context.Rel.Declaration @@ -51,20 +50,6 @@ let should_auto_template = if b then warn_auto_template id; b -let rec complete_conclusion a cs = CAst.map_with_loc (fun ?loc -> function - | CProdN (bl,c) -> CProdN (bl,complete_conclusion a cs c) - | CLetIn (na,b,t,c) -> CLetIn (na,b,t,complete_conclusion a cs c) - | CHole (k, _, _) -> - let (has_no_args,name,params) = a in - if not has_no_args then - user_err ?loc - (strbrk"Cannot infer the non constant arguments of the conclusion of " - ++ Id.print cs ++ str "."); - let args = List.map (fun id -> CAst.(make ?loc @@ CRef(qualid_of_ident ?loc id,None))) params in - CAppExpl ((None,qualid_of_ident ?loc name,None),List.rev args) - | c -> c - ) - let push_types env idl rl tl = List.fold_left3 (fun env id r t -> EConstr.push_rel (LocalAssum (make_annot (Name id) r,t)) env) env idl rl tl @@ -93,10 +78,6 @@ let check_all_names_different indl = | [] -> () | _ -> raise (InductiveError (SameNamesOverlap l)) -let mk_mltype_data sigma env assums arity indname = - let is_ml_type = is_sort env sigma arity in - (is_ml_type,indname,assums) - (** Make the arity conclusion flexible to avoid generating an upper bound universe now, only if the universe does not appear anywhere else. This is really a hack to stay compatible with the semantics of template polymorphic @@ -145,16 +126,50 @@ let pretype_ind_arity env sigma (loc, c, impls, pseudo_poly) = in sigma, (t, Retyping.relevance_of_sort s, concl, impls) -let interp_cstrs env sigma impls mldata arity ind = +(* ind_rel is the Rel for this inductive in the context without params. + n is how many arguments there are in the constructor. *) +let model_conclusion env sigma ind_rel params n arity_indices = + let model_head = EConstr.mkRel (n + Context.Rel.length params + ind_rel) in + let model_params = Context.Rel.to_extended_vect EConstr.mkRel n params in + let sigma,model_indices = + List.fold_right + (fun (_,t) (sigma, subst) -> + let t = EConstr.Vars.substl subst (EConstr.Vars.liftn n (List.length subst + 1) (EConstr.Vars.liftn 1 (List.length params + List.length subst + 1) t)) in + let sigma, c = Evarutil.new_evar env sigma t in + sigma, c::subst) + arity_indices (sigma, []) in + sigma, EConstr.mkApp (EConstr.mkApp (model_head, model_params), Array.of_list (List.rev model_indices)) + +let interp_cstrs env (sigma, ind_rel) impls params ind arity = let cnames,ctyps = List.split ind.ind_lc in - (* Complete conclusions of constructor types if given in ML-style syntax *) - let ctyps' = List.map2 (complete_conclusion mldata) cnames ctyps in + let arity_indices, cstr_sort = Reductionops.splay_arity env sigma arity in (* Interpret the constructor types *) - let sigma, (ctyps'', cimpls) = + let interp_cstr sigma ctyp = + let flags = + Pretyping.{ all_no_fail_flags with + use_typeclasses = UseTCForConv; + solve_unification_constraints = false } + in + let sigma, (ctyp, cimpl) = interp_type_evars_impls ~flags env sigma ~impls ctyp in + let ctx, concl = Reductionops.splay_prod_assum env sigma ctyp in + let concl_env = EConstr.push_rel_context ctx env in + let sigma_with_model_evars, model = + model_conclusion concl_env sigma ind_rel params (Context.Rel.length ctx) arity_indices + in + (* unify the expected with the provided conclusion *) + let sigma = + try Evarconv.unify concl_env sigma_with_model_evars Reduction.CONV concl model + with Evarconv.UnableToUnify (sigma,e) -> + user_err (Himsg.explain_pretype_error concl_env sigma + (Pretype_errors.CannotUnify (concl, model, (Some e)))) + in + sigma, (ctyp, cimpl) + in + let sigma, (ctyps, cimpls) = on_snd List.split @@ - List.fold_left_map (fun sigma l -> - interp_type_evars_impls ~program_mode:false env sigma ~impls l) sigma ctyps' in - sigma, (cnames, ctyps'', cimpls) + List.fold_left_map interp_cstr sigma ctyps + in + (sigma, pred ind_rel), (cnames, ctyps, cimpls) let sign_level env evd sign = fst (List.fold_right @@ -427,6 +442,30 @@ let interp_params env udecl uparamsl paramsl = sigma, env_params, (ctx_params, env_uparams, ctx_uparams, List.map (RelDecl.get_name %> Name.get_id) assums, userimpls, useruimpls, impls, udecl) +(* When a hole remains for a param, pretend the param is uniform and + do the unification. + [env_ar_par] is [uparams; inds; params] + *) +let maybe_unify_params_in env_ar_par sigma ~ninds ~nparams c = + let is_ind sigma k c = match EConstr.kind sigma c with + | Constr.Rel n -> + (* env is [uparams; inds; params; k other things] *) + n > k + nparams && n <= k + nparams + ninds + | _ -> false + in + let rec aux (env,k as envk) sigma c = match EConstr.kind sigma c with + | Constr.App (h,args) when is_ind sigma k h -> + Array.fold_left_i (fun i sigma arg -> + if i >= nparams || not (EConstr.isEvar sigma arg) then sigma + else Evarconv.unify_delay env sigma arg (EConstr.mkRel (k+nparams-i))) + sigma args + | _ -> Termops.fold_constr_with_full_binders + sigma + (fun d (env,k) -> EConstr.push_rel d env, k+1) + aux envk sigma c + in + aux (env_ar_par,0) sigma c + let interp_mutual_inductive_gen env0 ~template udecl (uparamsl,paramsl,indl) notations ~cumulative ~poly ~private_ind finite = check_all_names_different indl; List.iter check_param paramsl; @@ -464,20 +503,31 @@ let interp_mutual_inductive_gen env0 ~template udecl (uparamsl,paramsl,indl) not (* Compute interpretation metadatas *) let indimpls = List.map (fun impls -> userimpls @ impls) indimpls in - let impls = compute_internalization_env env_uparams sigma ~impls (Inductive (params,true)) indnames fullarities indimpls in - let ntn_impls = compute_internalization_env env_uparams sigma (Inductive (params,true)) indnames fullarities indimpls in - let mldatas = List.map2 (mk_mltype_data sigma env_params params) arities indnames in + let impls = compute_internalization_env env_uparams sigma ~impls Inductive indnames fullarities indimpls in + let ntn_impls = compute_internalization_env env_uparams sigma Inductive indnames fullarities indimpls in - let sigma, constructors = + let ninds = List.length indl in + let (sigma, _), constructors = Metasyntax.with_syntax_protection (fun () -> - (* Temporary declaration of notations and scopes *) - List.iter (Metasyntax.set_notation_for_interpretation env_params ntn_impls) notations; - (* Interpret the constructor types *) - List.fold_left3_map (fun sigma -> interp_cstrs env_ar_params sigma impls) sigma mldatas arities indl) - () in + (* Temporary declaration of notations and scopes *) + List.iter (Metasyntax.set_notation_for_interpretation env_params ntn_impls) notations; + (* Interpret the constructor types *) + List.fold_left2_map + (fun (sigma, ind_rel) -> interp_cstrs env_ar_params (sigma, ind_rel) impls ctx_params) + (sigma, ninds) indl arities) + () + in - (* generalize over the uniform parameters *) let nparams = Context.Rel.length ctx_params in + let sigma = + List.fold_left (fun sigma (_,ctyps,_) -> + List.fold_left (fun sigma ctyp -> + maybe_unify_params_in env_ar_params sigma ~ninds ~nparams ctyp) + sigma ctyps) + sigma constructors + in + + (* generalize over the uniform parameters *) let nuparams = Context.Rel.length ctx_uparams in let uargs = Context.Rel.to_extended_vect EConstr.mkRel 0 ctx_uparams in let uparam_subst = diff --git a/vernac/comInductive.mli b/vernac/comInductive.mli index 2b9da1d4e5..984581152a 100644 --- a/vernac/comInductive.mli +++ b/vernac/comInductive.mli @@ -88,3 +88,9 @@ val template_polymorphism_candidate polymorphic. It should have at least one universe in its monomorphic universe context that can be made parametric in its conclusion sort, if one is given. *) + +val maybe_unify_params_in : Environ.env -> Evd.evar_map -> ninds:int -> nparams:int + -> EConstr.t -> Evd.evar_map +(** [nparams] is the number of parameters which aren't treated as + uniform, ie the length of params (including letins) where the env + is [uniform params, inductives, params]. *) diff --git a/vernac/comProgramFixpoint.ml b/vernac/comProgramFixpoint.ml index 3bac0419ef..4e9e24b119 100644 --- a/vernac/comProgramFixpoint.ml +++ b/vernac/comProgramFixpoint.ml @@ -195,13 +195,14 @@ let build_wellfounded (recname,pl,bl,arityc,body) poly r measure notation = let lift_lets = lift_rel_context 1 letbinders in let sigma, intern_body = let ctx = LocalAssum (make_annot (Name recname) Sorts.Relevant, get_type curry_fun) :: binders_rel in - let (r, l, impls, scopes) = - Constrintern.compute_internalization_data env sigma + let interning_data = + Constrintern.compute_internalization_data env sigma recname Constrintern.Recursive full_arity impls in let newimpls = Id.Map.singleton recname - (r, l, impls @ [Some (ExplByName (Id.of_string "recproof"), Impargs.Manual, (true, false))], - scopes @ [None]) in + (Constrintern.extend_internalization_data interning_data + (Some (ExplByName (Id.of_string "recproof"), Impargs.Manual, (true, false))) + None) in interp_casted_constr_evars ~program_mode:true (push_rel_context ctx env) sigma ~impls:newimpls body (lift 1 top_arity) in @@ -229,7 +230,7 @@ let build_wellfounded (recname,pl,bl,arityc,body) poly r measure notation = let name = add_suffix recname "_func" in (* XXX: Mutating the evar_map in the hook! *) (* XXX: Likely the sigma is out of date when the hook is called .... *) - let hook sigma { DeclareDef.Hook.S.dref; _ } = + let hook sigma { Declare.Hook.S.dref; _ } = let sigma, h_body = Evarutil.new_global sigma dref in let body = it_mkLambda_or_LetIn (mkApp (h_body, [|make|])) binders_rel in let ty = it_mkProd_or_LetIn top_arity binders_rel in @@ -247,16 +248,16 @@ let build_wellfounded (recname,pl,bl,arityc,body) poly r measure notation = hook, name, typ else let typ = it_mkProd_or_LetIn top_arity binders_rel in - let hook sigma { DeclareDef.Hook.S.dref; _ } = + let hook sigma { Declare.Hook.S.dref; _ } = if Impargs.is_implicit_args () || not (List.is_empty impls) then Impargs.declare_manual_implicits false dref impls in hook, recname, typ in (* XXX: Capturing sigma here... bad bad *) - let hook = DeclareDef.Hook.make (hook sigma) in - Obligations.check_evars env sigma; + let hook = Declare.Hook.make (hook sigma) in + RetrieveObl.check_evars env sigma; let evars, _, evars_def, evars_typ = - Obligations.eterm_obligations env recname sigma 0 def typ + RetrieveObl.retrieve_obligations env recname sigma 0 def typ in let uctx = Evd.evar_universe_context sigma in ignore(Obligations.add_definition ~name:recname ~term:evars_def ~udecl @@ -281,15 +282,15 @@ let do_program_recursive ~scope ~poly fixkind fixl = let evd = Typeclasses.resolve_typeclasses ~filter:Typeclasses.no_goals ~fail:true env evd in (* Solve remaining evars *) let evd = nf_evar_map_undefined evd in - let collect_evars id def typ imps = + let collect_evars name def typ impargs = (* Generalize by the recursive prototypes *) let def = nf_evar evd (Termops.it_mkNamedLambda_or_LetIn def rec_sign) in let typ = nf_evar evd (Termops.it_mkNamedProd_or_LetIn typ rec_sign) in let evm = collect_evars_of_term evd def typ in let evars, _, def, typ = - Obligations.eterm_obligations env id evm + RetrieveObl.retrieve_obligations env name evm (List.length rec_sign) def typ in - (id, def, typ, imps, evars) + ({ Declare.Recthm.name; typ; impargs; args = [] }, def, evars) in let (fixnames,fixrs,fixdefs,fixtypes) = fix in let fiximps = List.map pi2 info in diff --git a/vernac/comProgramFixpoint.mli b/vernac/comProgramFixpoint.mli index 6851c9f69e..8b1fa6c202 100644 --- a/vernac/comProgramFixpoint.mli +++ b/vernac/comProgramFixpoint.mli @@ -14,8 +14,8 @@ open Vernacexpr val do_fixpoint : (* When [false], assume guarded. *) - scope:DeclareDef.locality -> poly:bool -> fixpoint_expr list -> unit + scope:Declare.locality -> poly:bool -> fixpoint_expr list -> unit val do_cofixpoint : (* When [false], assume guarded. *) - scope:DeclareDef.locality -> poly:bool -> cofixpoint_expr list -> unit + scope:Declare.locality -> poly:bool -> cofixpoint_expr list -> unit diff --git a/vernac/declare.ml b/vernac/declare.ml new file mode 100644 index 0000000000..c3f95c5297 --- /dev/null +++ b/vernac/declare.ml @@ -0,0 +1,1055 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * Copyright INRIA, CNRS and contributors *) +(* <O___,, * (see version control and CREDITS file for authors & dates) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +(** This module is about the low-level declaration of logical objects *) + +open Pp +open Util +open Names +open Safe_typing +module NamedDecl = Context.Named.Declaration + +type opacity_flag = Vernacexpr.opacity_flag = Opaque | Transparent + +type t = + { endline_tactic : Genarg.glob_generic_argument option + ; section_vars : Id.Set.t option + ; proof : Proof.t + ; udecl: UState.universe_decl + (** Initial universe declarations *) + ; initial_euctx : UState.t + (** The initial universe context (for the statement) *) + } + +(*** Proof Global manipulation ***) + +let get_proof ps = ps.proof +let get_proof_name ps = (Proof.data ps.proof).Proof.name + +let get_initial_euctx ps = ps.initial_euctx + +let map_proof f p = { p with proof = f p.proof } +let map_fold_proof f p = let proof, res = f p.proof in { p with proof }, res + +let map_fold_proof_endline f ps = + let et = + match ps.endline_tactic with + | None -> Proofview.tclUNIT () + | Some tac -> + let open Geninterp in + let {Proof.poly} = Proof.data ps.proof in + let ist = { lfun = Id.Map.empty; poly; extra = TacStore.empty } in + let Genarg.GenArg (Genarg.Glbwit tag, tac) = tac in + let tac = Geninterp.interp tag ist tac in + Ftactic.run tac (fun _ -> Proofview.tclUNIT ()) + in + let (newpr,ret) = f et ps.proof in + let ps = { ps with proof = newpr } in + ps, ret + +let compact_the_proof pf = map_proof Proof.compact pf + +(* Sets the tactic to be used when a tactic line is closed with [...] *) +let set_endline_tactic tac ps = + { ps with endline_tactic = Some tac } + +(** [start_proof ~name ~udecl ~poly sigma goals] starts a proof of + name [name] with goals [goals] (a list of pairs of environment and + conclusion). The proof is started in the evar map [sigma] (which + can typically contain universe constraints), and with universe + bindings [udecl]. *) +let start_proof ~name ~udecl ~poly sigma goals = + let proof = Proof.start ~name ~poly sigma goals in + let initial_euctx = Evd.evar_universe_context Proof.((data proof).sigma) in + { proof + ; endline_tactic = None + ; section_vars = None + ; udecl + ; initial_euctx + } + +let start_dependent_proof ~name ~udecl ~poly goals = + let proof = Proof.dependent_start ~name ~poly goals in + let initial_euctx = Evd.evar_universe_context Proof.((data proof).sigma) in + { proof + ; endline_tactic = None + ; section_vars = None + ; udecl + ; initial_euctx + } + +let get_used_variables pf = pf.section_vars +let get_universe_decl pf = pf.udecl + +let set_used_variables ps l = + let open Context.Named.Declaration in + let env = Global.env () in + let ids = List.fold_right Id.Set.add l Id.Set.empty in + let ctx = Environ.keep_hyps env ids in + let ctx_set = + List.fold_right Id.Set.add (List.map NamedDecl.get_id ctx) Id.Set.empty in + let vars_of = Environ.global_vars_set in + let aux env entry (ctx, all_safe as orig) = + match entry with + | LocalAssum ({Context.binder_name=x},_) -> + if Id.Set.mem x all_safe then orig + else (ctx, all_safe) + | LocalDef ({Context.binder_name=x},bo, ty) as decl -> + if Id.Set.mem x all_safe then orig else + let vars = Id.Set.union (vars_of env bo) (vars_of env ty) in + if Id.Set.subset vars all_safe + then (decl :: ctx, Id.Set.add x all_safe) + else (ctx, all_safe) in + let ctx, _ = + Environ.fold_named_context aux env ~init:(ctx,ctx_set) in + if not (Option.is_empty ps.section_vars) then + CErrors.user_err Pp.(str "Used section variables can be declared only once"); + ctx, { ps with section_vars = Some (Context.Named.to_vars ctx) } + +let get_open_goals ps = + let Proof.{ goals; stack; shelf } = Proof.data ps.proof in + List.length goals + + List.fold_left (+) 0 + (List.map (fun (l1,l2) -> List.length l1 + List.length l2) stack) + + List.length shelf + +type import_status = ImportDefaultBehavior | ImportNeedQualified + +(** Declaration of constants and parameters *) + +type 'a proof_entry = { + proof_entry_body : 'a Entries.const_entry_body; + (* List of section variables *) + proof_entry_secctx : Id.Set.t option; + (* State id on which the completion of type checking is reported *) + proof_entry_feedback : Stateid.t option; + proof_entry_type : Constr.types option; + proof_entry_universes : Entries.universes_entry; + proof_entry_opaque : bool; + proof_entry_inline_code : bool; +} + +let default_univ_entry = Entries.Monomorphic_entry Univ.ContextSet.empty + +let definition_entry ?fix_exn ?(opaque=false) ?(inline=false) ?feedback_id ?section_vars ?types + ?(univs=default_univ_entry) ?(eff=Evd.empty_side_effects) ?(univsbody=Univ.ContextSet.empty) body = + { proof_entry_body = Future.from_val ?fix_exn ((body,univsbody), eff); + proof_entry_secctx = section_vars; + proof_entry_type = types; + proof_entry_universes = univs; + proof_entry_opaque = opaque; + proof_entry_feedback = feedback_id; + proof_entry_inline_code = inline} + +type proof_object = + { name : Names.Id.t + (* [name] only used in the STM *) + ; entries : Evd.side_effects proof_entry list + ; uctx: UState.t + } + +let private_poly_univs = + Goptions.declare_bool_option_and_ref + ~depr:false + ~key:["Private";"Polymorphic";"Universes"] + ~value:true + +(* XXX: This is still separate from close_proof below due to drop_pt in the STM *) +(* XXX: Unsafe_typ:true is needed by vio files, see bf0499bc507d5a39c3d5e3bf1f69191339270729 *) +let prepare_proof ~unsafe_typ { proof } = + let Proof.{name=pid;entry;poly} = Proof.data proof in + let initial_goals = Proofview.initial_goals entry in + let evd = Proof.return ~pid proof in + let eff = Evd.eval_side_effects evd in + let evd = Evd.minimize_universes evd in + let to_constr_body c = + match EConstr.to_constr_opt evd c with + | Some p -> p + | None -> CErrors.user_err Pp.(str "Some unresolved existential variables remain") + in + let to_constr_typ t = + if unsafe_typ then EConstr.Unsafe.to_constr t else to_constr_body t + in + (* ppedrot: FIXME, this is surely wrong. There is no reason to duplicate + side-effects... This may explain why one need to uniquize side-effects + thereafter... *) + (* EJGA: actually side-effects de-duplication and this codepath is + unrelated. Duplicated side-effects arise from incorrect scheme + generation code, the main bulk of it was mostly fixed by #9836 + but duplication can still happen because of rewriting schemes I + think; however the code below is mostly untested, the only + code-paths that generate several proof entries are derive and + equations and so far there is no code in the CI that will + actually call those and do a side-effect, TTBOMK *) + (* EJGA: likely the right solution is to attach side effects to the first constant only? *) + let proofs = List.map (fun (body, typ) -> (to_constr_body body, eff), to_constr_typ typ) initial_goals in + proofs, Evd.evar_universe_context evd + +let close_proof ~opaque ~keep_body_ucst_separate ps = + + let { section_vars; proof; udecl; initial_euctx } = ps in + let { Proof.name; poly } = Proof.data proof in + let unsafe_typ = keep_body_ucst_separate && not poly in + let elist, uctx = prepare_proof ~unsafe_typ ps in + let opaque = match opaque with Opaque -> true | Transparent -> false in + + let make_entry ((body, eff), typ) = + + let allow_deferred = + not poly && + (keep_body_ucst_separate + || not (Safe_typing.is_empty_private_constants eff.Evd.seff_private)) + in + let used_univs_body = Vars.universes_of_constr body in + let used_univs_typ = Vars.universes_of_constr typ in + let used_univs = Univ.LSet.union used_univs_body used_univs_typ in + let utyp, ubody = + if allow_deferred then + let utyp = UState.univ_entry ~poly initial_euctx in + let uctx = UState.constrain_variables (fst (UState.context_set initial_euctx)) uctx in + (* For vi2vo compilation proofs are computed now but we need to + complement the univ constraints of the typ with the ones of + the body. So we keep the two sets distinct. *) + let uctx_body = UState.restrict uctx used_univs in + let ubody = UState.check_mono_univ_decl uctx_body udecl in + utyp, ubody + else if poly && opaque && private_poly_univs () then + let universes = UState.restrict uctx used_univs in + let typus = UState.restrict universes used_univs_typ in + let utyp = UState.check_univ_decl ~poly typus udecl in + let ubody = Univ.ContextSet.diff + (UState.context_set universes) + (UState.context_set typus) + in + utyp, ubody + else + (* Since the proof is computed now, we can simply have 1 set of + constraints in which we merge the ones for the body and the ones + for the typ. We recheck the declaration after restricting with + the actually used universes. + TODO: check if restrict is really necessary now. *) + let ctx = UState.restrict uctx used_univs in + let utyp = UState.check_univ_decl ~poly ctx udecl in + utyp, Univ.ContextSet.empty + in + definition_entry ~opaque ?section_vars ~univs:utyp ~univsbody:ubody ~types:typ ~eff body + in + let entries = CList.map make_entry elist in + { name; entries; uctx } + +type 'a constant_entry = + | DefinitionEntry of 'a proof_entry + | ParameterEntry of Entries.parameter_entry + | PrimitiveEntry of Entries.primitive_entry + +type constant_obj = { + cst_kind : Decls.logical_kind; + cst_locl : import_status; +} + +let load_constant i ((sp,kn), obj) = + if Nametab.exists_cci sp then + raise (DeclareUniv.AlreadyDeclared (None, Libnames.basename sp)); + let con = Global.constant_of_delta_kn kn in + Nametab.push (Nametab.Until i) sp (GlobRef.ConstRef con); + Dumpglob.add_constant_kind con obj.cst_kind + +(* Opening means making the name without its module qualification available *) +let open_constant f i ((sp,kn), obj) = + (* Never open a local definition *) + match obj.cst_locl with + | ImportNeedQualified -> () + | ImportDefaultBehavior -> + let con = Global.constant_of_delta_kn kn in + if Libobject.in_filter_ref (GlobRef.ConstRef con) f then + Nametab.push (Nametab.Exactly i) sp (GlobRef.ConstRef con) + +let exists_name id = + Decls.variable_exists id || Global.exists_objlabel (Label.of_id id) + +let check_exists id = + if exists_name id then + raise (DeclareUniv.AlreadyDeclared (None, id)) + +let cache_constant ((sp,kn), obj) = + (* Invariant: the constant must exist in the logical environment *) + let kn' = + if Global.exists_objlabel (Label.of_id (Libnames.basename sp)) + then Constant.make1 kn + else CErrors.anomaly Pp.(str"Missing constant " ++ Id.print(Libnames.basename sp) ++ str".") + in + assert (Constant.equal kn' (Constant.make1 kn)); + Nametab.push (Nametab.Until 1) sp (GlobRef.ConstRef (Constant.make1 kn)); + Dumpglob.add_constant_kind (Constant.make1 kn) obj.cst_kind + +let discharge_constant ((sp, kn), obj) = + Some obj + +let classify_constant cst = Libobject.Substitute cst + +let (objConstant : constant_obj Libobject.Dyn.tag) = + let open Libobject in + declare_object_full { (default_object "CONSTANT") with + cache_function = cache_constant; + load_function = load_constant; + open_function = open_constant; + classify_function = classify_constant; + subst_function = ident_subst_function; + discharge_function = discharge_constant } + +let inConstant v = Libobject.Dyn.Easy.inj v objConstant + +let update_tables c = + Impargs.declare_constant_implicits c; + Notation.declare_ref_arguments_scope Evd.empty (GlobRef.ConstRef c) + +let register_constant kn kind local = + let o = inConstant { + cst_kind = kind; + cst_locl = local; + } in + let id = Label.to_id (Constant.label kn) in + let _ = Lib.add_leaf id o in + update_tables kn + +let register_side_effect (c, role) = + let () = register_constant c Decls.(IsProof Theorem) ImportDefaultBehavior in + match role with + | None -> () + | Some (Evd.Schema (ind, kind)) -> DeclareScheme.declare_scheme kind [|ind,c|] + +let get_roles export eff = + let map c = + let role = try Some (Cmap.find c eff.Evd.seff_roles) with Not_found -> None in + (c, role) + in + List.map map export + +let export_side_effects eff = + let export = Global.export_private_constants eff.Evd.seff_private in + let export = get_roles export eff in + List.iter register_side_effect export + +let record_aux env s_ty s_bo = + let open Environ in + let in_ty = keep_hyps env s_ty in + let v = + String.concat " " + (CList.map_filter (fun decl -> + let id = NamedDecl.get_id decl in + if List.exists (NamedDecl.get_id %> Id.equal id) in_ty then None + else Some (Id.to_string id)) + (keep_hyps env s_bo)) in + Aux_file.record_in_aux "context_used" v + +let pure_definition_entry ?fix_exn ?(opaque=false) ?(inline=false) ?types + ?(univs=default_univ_entry) body = + { proof_entry_body = Future.from_val ?fix_exn ((body,Univ.ContextSet.empty), ()); + proof_entry_secctx = None; + proof_entry_type = types; + proof_entry_universes = univs; + proof_entry_opaque = opaque; + proof_entry_feedback = None; + proof_entry_inline_code = inline} + +let delayed_definition_entry ~opaque ?feedback_id ~section_vars ~univs ?types body = + { proof_entry_body = body + ; proof_entry_secctx = section_vars + ; proof_entry_type = types + ; proof_entry_universes = univs + ; proof_entry_opaque = opaque + ; proof_entry_feedback = feedback_id + ; proof_entry_inline_code = false + } + +let cast_proof_entry e = + let (body, ctx), () = Future.force e.proof_entry_body in + let univs = + if Univ.ContextSet.is_empty ctx then e.proof_entry_universes + else match e.proof_entry_universes with + | Entries.Monomorphic_entry ctx' -> + (* This can actually happen, try compiling EqdepFacts for instance *) + Entries.Monomorphic_entry (Univ.ContextSet.union ctx' ctx) + | Entries.Polymorphic_entry _ -> + CErrors.anomaly Pp.(str "Local universes in non-opaque polymorphic definition."); + in + { Entries.const_entry_body = body; + const_entry_secctx = e.proof_entry_secctx; + const_entry_feedback = e.proof_entry_feedback; + const_entry_type = e.proof_entry_type; + const_entry_universes = univs; + const_entry_inline_code = e.proof_entry_inline_code; + } + +type ('a, 'b) effect_entry = +| EffectEntry : (private_constants, private_constants Entries.const_entry_body) effect_entry +| PureEntry : (unit, Constr.constr) effect_entry + +let cast_opaque_proof_entry (type a b) (entry : (a, b) effect_entry) (e : a proof_entry) : b Entries.opaque_entry = + let typ = match e.proof_entry_type with + | None -> assert false + | Some typ -> typ + in + let secctx = match e.proof_entry_secctx with + | None -> + let open Environ in + let env = Global.env () in + let hyp_typ, hyp_def = + if List.is_empty (Environ.named_context env) then + Id.Set.empty, Id.Set.empty + else + let ids_typ = global_vars_set env typ in + let pf, env = match entry with + | PureEntry -> + let (pf, _), () = Future.force e.proof_entry_body in + pf, env + | EffectEntry -> + let (pf, _), eff = Future.force e.proof_entry_body in + let env = Safe_typing.push_private_constants env eff in + pf, env + in + let vars = global_vars_set env pf in + ids_typ, vars + in + let () = if Aux_file.recording () then record_aux env hyp_typ hyp_def in + Environ.really_needed env (Id.Set.union hyp_typ hyp_def) + | Some hyps -> hyps + in + let (body, univs : b * _) = match entry with + | PureEntry -> + let (body, uctx), () = Future.force e.proof_entry_body in + let univs = match e.proof_entry_universes with + | Entries.Monomorphic_entry uctx' -> + Entries.Monomorphic_entry (Univ.ContextSet.union uctx uctx') + | Entries.Polymorphic_entry _ -> + assert (Univ.ContextSet.is_empty uctx); + e.proof_entry_universes + in + body, univs + | EffectEntry -> e.proof_entry_body, e.proof_entry_universes + in + { Entries.opaque_entry_body = body; + opaque_entry_secctx = secctx; + opaque_entry_feedback = e.proof_entry_feedback; + opaque_entry_type = typ; + opaque_entry_universes = univs; + } + +let feedback_axiom () = Feedback.(feedback AddedAxiom) + +let is_unsafe_typing_flags () = + let open Declarations in + let flags = Environ.typing_flags (Global.env()) in + not (flags.check_universes && flags.check_guarded && flags.check_positive) + +let define_constant ~name cd = + (* Logically define the constant and its subproofs, no libobject tampering *) + let decl, unsafe = match cd with + | DefinitionEntry de -> + (* We deal with side effects *) + if not de.proof_entry_opaque then + let body, eff = Future.force de.proof_entry_body in + (* This globally defines the side-effects in the environment + and registers their libobjects. *) + let () = export_side_effects eff in + let de = { de with proof_entry_body = Future.from_val (body, ()) } in + let cd = Entries.DefinitionEntry (cast_proof_entry de) in + ConstantEntry cd, false + else + let map (body, eff) = body, eff.Evd.seff_private in + let body = Future.chain de.proof_entry_body map in + let de = { de with proof_entry_body = body } in + let de = cast_opaque_proof_entry EffectEntry de in + OpaqueEntry de, false + | ParameterEntry e -> + ConstantEntry (Entries.ParameterEntry e), not (Lib.is_modtype_strict()) + | PrimitiveEntry e -> + ConstantEntry (Entries.PrimitiveEntry e), false + in + let kn = Global.add_constant name decl in + if unsafe || is_unsafe_typing_flags() then feedback_axiom(); + kn + +let declare_constant ?(local = ImportDefaultBehavior) ~name ~kind cd = + let () = check_exists name in + let kn = define_constant ~name cd in + (* Register the libobjects attached to the constants *) + let () = register_constant kn kind local in + kn + +let get_cd_fix_exn = function + | DefinitionEntry de -> + Future.fix_exn_of de.proof_entry_body + | _ -> fun x -> x + +let declare_constant ?local ~name ~kind cd = + try declare_constant ?local ~name ~kind cd + with exn -> + let exn = Exninfo.capture exn in + Exninfo.iraise (get_cd_fix_exn cd exn) + +let declare_private_constant ?role ?(local = ImportDefaultBehavior) ~name ~kind de = + let kn, eff = + let de = + if not de.proof_entry_opaque then + DefinitionEff (cast_proof_entry de) + else + let de = cast_opaque_proof_entry PureEntry de in + OpaqueEff de + in + Global.add_private_constant name de + in + let () = register_constant kn kind local in + let seff_roles = match role with + | None -> Cmap.empty + | Some r -> Cmap.singleton kn r + in + let eff = { Evd.seff_private = eff; Evd.seff_roles; } in + kn, eff + +let inline_private_constants ~uctx env ce = + let body, eff = Future.force ce.proof_entry_body in + let cb, ctx = Safe_typing.inline_private_constants env (body, eff.Evd.seff_private) in + let uctx = UState.merge ~sideff:true Evd.univ_rigid uctx ctx in + cb, uctx + +(** Declaration of section variables and local definitions *) +type variable_declaration = + | SectionLocalDef of Evd.side_effects proof_entry + | SectionLocalAssum of { typ:Constr.types; impl:Glob_term.binding_kind; } + +(* This object is only for things which iterate over objects to find + variables (only Prettyp.print_context AFAICT) *) +let objVariable : unit Libobject.Dyn.tag = + let open Libobject in + declare_object_full { (default_object "VARIABLE") with + classify_function = (fun () -> Dispose)} + +let inVariable v = Libobject.Dyn.Easy.inj v objVariable + +let declare_variable ~name ~kind d = + (* Variables are distinguished by only short names *) + if Decls.variable_exists name then + raise (DeclareUniv.AlreadyDeclared (None, name)); + + let impl,opaque = match d with (* Fails if not well-typed *) + | SectionLocalAssum {typ;impl} -> + let () = Global.push_named_assum (name,typ) in + impl, true + | SectionLocalDef (de) -> + (* The body should already have been forced upstream because it is a + section-local definition, but it's not enforced by typing *) + let ((body, body_ui), eff) = Future.force de.proof_entry_body in + let () = export_side_effects eff in + let poly, entry_ui = match de.proof_entry_universes with + | Entries.Monomorphic_entry uctx -> false, uctx + | Entries.Polymorphic_entry (_, uctx) -> true, Univ.ContextSet.of_context uctx + in + let univs = Univ.ContextSet.union body_ui entry_ui in + (* We must declare the universe constraints before type-checking the + term. *) + let () = DeclareUctx.declare_universe_context ~poly univs in + let se = { + Entries.secdef_body = body; + secdef_secctx = de.proof_entry_secctx; + secdef_feedback = de.proof_entry_feedback; + secdef_type = de.proof_entry_type; + } in + let () = Global.push_named_def (name, se) in + Glob_term.Explicit, de.proof_entry_opaque + in + Nametab.push (Nametab.Until 1) (Libnames.make_path DirPath.empty name) (GlobRef.VarRef name); + Decls.(add_variable_data name {opaque;kind}); + ignore(Lib.add_leaf name (inVariable ()) : Libobject.object_name); + Impargs.declare_var_implicits ~impl name; + Notation.declare_ref_arguments_scope Evd.empty (GlobRef.VarRef name) + +(* Declaration messages *) + +let pr_rank i = pr_nth (i+1) + +let fixpoint_message indexes l = + Flags.if_verbose Feedback.msg_info (match l with + | [] -> CErrors.anomaly (Pp.str "no recursive definition.") + | [id] -> Id.print id ++ str " is recursively defined" ++ + (match indexes with + | Some [|i|] -> str " (guarded on "++pr_rank i++str " argument)" + | _ -> mt ()) + | l -> hov 0 (prlist_with_sep pr_comma Id.print l ++ + spc () ++ str "are recursively defined" ++ + match indexes with + | Some a -> spc () ++ str "(guarded respectively on " ++ + prvect_with_sep pr_comma pr_rank a ++ + str " arguments)" + | None -> mt ())) + +let cofixpoint_message l = + Flags.if_verbose Feedback.msg_info (match l with + | [] -> CErrors.anomaly (Pp.str "No corecursive definition.") + | [id] -> Id.print id ++ str " is corecursively defined" + | l -> hov 0 (prlist_with_sep pr_comma Id.print l ++ + spc () ++ str "are corecursively defined")) + +let recursive_message isfix i l = + (if isfix then fixpoint_message i else cofixpoint_message) l + +let definition_message id = + Flags.if_verbose Feedback.msg_info (Id.print id ++ str " is defined") + +let assumption_message id = + (* Changing "assumed" to "declared", "assuming" referring more to + the type of the object than to the name of the object (see + discussion on coqdev: "Chapter 4 of the Reference Manual", 8/10/2015) *) + Flags.if_verbose Feedback.msg_info (Id.print id ++ str " is declared") + +module Internal = struct + + let map_entry_body ~f entry = + { entry with proof_entry_body = Future.chain entry.proof_entry_body f } + + let map_entry_type ~f entry = + { entry with proof_entry_type = f entry.proof_entry_type } + + let set_opacity ~opaque entry = + { entry with proof_entry_opaque = opaque } + + let rec decompose len c t accu = + let open Constr in + let open Context.Rel.Declaration in + if len = 0 then (c, t, accu) + else match kind c, kind t with + | Lambda (na, u, c), Prod (_, _, t) -> + decompose (pred len) c t (LocalAssum (na, u) :: accu) + | LetIn (na, b, u, c), LetIn (_, _, _, t) -> + decompose (pred len) c t (LocalDef (na, b, u) :: accu) + | _ -> assert false + + let rec shrink ctx sign c t accu = + let open Constr in + let open Vars in + match ctx, sign with + | [], [] -> (c, t, accu) + | p :: ctx, decl :: sign -> + if noccurn 1 c && noccurn 1 t then + let c = subst1 mkProp c in + let t = subst1 mkProp t in + shrink ctx sign c t accu + else + let c = Term.mkLambda_or_LetIn p c in + let t = Term.mkProd_or_LetIn p t in + let accu = if Context.Rel.Declaration.is_local_assum p + then mkVar (NamedDecl.get_id decl) :: accu + else accu + in + shrink ctx sign c t accu + | _ -> assert false + + let shrink_entry sign const = + let typ = match const.proof_entry_type with + | None -> assert false + | Some t -> t + in + (* The body has been forced by the call to [build_constant_by_tactic] *) + let () = assert (Future.is_over const.proof_entry_body) in + let ((body, uctx), eff) = Future.force const.proof_entry_body in + let (body, typ, ctx) = decompose (List.length sign) body typ [] in + let (body, typ, args) = shrink ctx sign body typ [] in + { const with + proof_entry_body = Future.from_val ((body, uctx), eff) + ; proof_entry_type = Some typ + }, args + + type nonrec constant_obj = constant_obj + + let objVariable = objVariable + let objConstant = objConstant + +end +(*** Proof Global Environment ***) + +type closed_proof_output = (Constr.t * Evd.side_effects) list * UState.t + +let close_proof_delayed ~feedback_id ps (fpl : closed_proof_output Future.computation) = + let { section_vars; proof; udecl; initial_euctx } = ps in + let { Proof.name; poly; entry; sigma } = Proof.data proof in + + (* We don't allow poly = true in this path *) + if poly then + CErrors.anomaly (Pp.str "Cannot delay universe-polymorphic constants."); + + let fpl, uctx = Future.split2 fpl in + (* Because of dependent subgoals at the beginning of proofs, we could + have existential variables in the initial types of goals, we need to + normalise them for the kernel. *) + let subst_evar k = Evd.existential_opt_value0 sigma k in + let nf = UnivSubst.nf_evars_and_universes_opt_subst subst_evar (UState.subst initial_euctx) in + + (* We only support opaque proofs, this will be enforced by using + different entries soon *) + let opaque = true in + let make_entry p (_, types) = + (* Already checked the univ_decl for the type universes when starting the proof. *) + let univs = UState.univ_entry ~poly:false initial_euctx in + let types = nf (EConstr.Unsafe.to_constr types) in + + Future.chain p (fun (pt,eff) -> + (* Deferred proof, we already checked the universe declaration with + the initial universes, ensure that the final universes respect + the declaration as well. If the declaration is non-extensible, + this will prevent the body from adding universes and constraints. *) + let uctx = Future.force uctx in + let uctx = UState.constrain_variables (fst (UState.context_set initial_euctx)) uctx in + let used_univs = Univ.LSet.union + (Vars.universes_of_constr types) + (Vars.universes_of_constr pt) + in + let univs = UState.restrict uctx used_univs in + let univs = UState.check_mono_univ_decl univs udecl in + (pt,univs),eff) + |> delayed_definition_entry ~opaque ~feedback_id ~section_vars ~univs ~types + in + let entries = Future.map2 make_entry fpl (Proofview.initial_goals entry) in + { name; entries; uctx = initial_euctx } + +let close_future_proof = close_proof_delayed + +let return_partial_proof { proof } = + let proofs = Proof.partial_proof proof in + let Proof.{sigma=evd} = Proof.data proof in + let eff = Evd.eval_side_effects evd in + (* ppedrot: FIXME, this is surely wrong. There is no reason to duplicate + side-effects... This may explain why one need to uniquize side-effects + thereafter... *) + let proofs = List.map (fun c -> EConstr.Unsafe.to_constr c, eff) proofs in + proofs, Evd.evar_universe_context evd + +let return_proof ps = + let p, uctx = prepare_proof ~unsafe_typ:false ps in + List.map fst p, uctx + +let update_global_env = + map_proof (fun p -> + let { Proof.sigma } = Proof.data p in + let tac = Proofview.Unsafe.tclEVARS (Evd.update_sigma_env sigma (Global.env ())) in + let p, (status,info), _ = Proof.run_tactic (Global.env ()) tac p in + p) + +let next = let n = ref 0 in fun () -> incr n; !n + +let by tac = map_fold_proof (Proof.solve (Goal_select.SelectNth 1) None tac) + +let build_constant_by_tactic ~name ?(opaque=Transparent) ~uctx ~sign ~poly typ tac = + let evd = Evd.from_ctx uctx in + let goals = [ (Global.env_of_context sign , typ) ] in + let pf = start_proof ~name ~poly ~udecl:UState.default_univ_decl evd goals in + let pf, status = by tac pf in + let { entries; uctx } = close_proof ~opaque ~keep_body_ucst_separate:false pf in + match entries with + | [entry] -> + entry, status, uctx + | _ -> + CErrors.anomaly Pp.(str "[build_constant_by_tactic] close_proof returned more than one proof term") + +let build_by_tactic ?(side_eff=true) env ~uctx ~poly ~typ tac = + let name = Id.of_string ("temporary_proof"^string_of_int (next())) in + let sign = Environ.(val_of_named_context (named_context env)) in + let ce, status, uctx = build_constant_by_tactic ~name ~uctx ~sign ~poly typ tac in + let cb, uctx = + if side_eff then inline_private_constants ~uctx env ce + else + (* GG: side effects won't get reset: no need to treat their universes specially *) + let (cb, ctx), _eff = Future.force ce.proof_entry_body in + cb, UState.merge ~sideff:false Evd.univ_rigid uctx ctx + in + cb, ce.proof_entry_type, ce.proof_entry_universes, status, uctx + +let declare_abstract ~name ~poly ~kind ~sign ~secsign ~opaque ~solve_tac sigma concl = + (* EJGA: flush_and_check_evars is only used in abstract, could we + use a different API? *) + let concl = + try Evarutil.flush_and_check_evars sigma concl + with Evarutil.Uninstantiated_evar _ -> + CErrors.user_err Pp.(str "\"abstract\" cannot handle existentials.") + in + let sigma, concl = + (* FIXME: should be done only if the tactic succeeds *) + let sigma = Evd.minimize_universes sigma in + sigma, Evarutil.nf_evars_universes sigma concl + in + let concl = EConstr.of_constr concl in + let uctx = Evd.evar_universe_context sigma in + let (const, safe, uctx) = + try build_constant_by_tactic ~name ~opaque:Transparent ~poly ~uctx ~sign:secsign concl solve_tac + with Logic_monad.TacticFailure e as src -> + (* if the tactic [tac] fails, it reports a [TacticFailure e], + which is an error irrelevant to the proof system (in fact it + means that [e] comes from [tac] failing to yield enough + success). Hence it reraises [e]. *) + let (_, info) = Exninfo.capture src in + Exninfo.iraise (e, info) + in + let sigma = Evd.set_universe_context sigma uctx in + let body, effs = Future.force const.proof_entry_body in + (* We drop the side-effects from the entry, they already exist in the ambient environment *) + let const = Internal.map_entry_body const ~f:(fun _ -> body, ()) in + (* EJGA: Hack related to the above call to + `build_constant_by_tactic` with `~opaque:Transparent`. Even if + the abstracted term is destined to be opaque, if we trigger the + `if poly && opaque && private_poly_univs ()` in `Proof_global` + kernel will boom. This deserves more investigation. *) + let const = Internal.set_opacity ~opaque const in + let const, args = Internal.shrink_entry sign const in + let cst () = + (* do not compute the implicit arguments, it may be costly *) + let () = Impargs.make_implicit_args false in + (* ppedrot: seems legit to have abstracted subproofs as local*) + declare_private_constant ~local:ImportNeedQualified ~name ~kind const + in + let cst, eff = Impargs.with_implicit_protection cst () in + let inst = match const.proof_entry_universes with + | Entries.Monomorphic_entry _ -> EConstr.EInstance.empty + | Entries.Polymorphic_entry (_, ctx) -> + (* We mimic what the kernel does, that is ensuring that no additional + constraints appear in the body of polymorphic constants. Ideally this + should be enforced statically. *) + let (_, body_uctx), _ = Future.force const.proof_entry_body in + let () = assert (Univ.ContextSet.is_empty body_uctx) in + EConstr.EInstance.make (Univ.UContext.instance ctx) + in + let args = List.map EConstr.of_constr args in + let lem = EConstr.mkConstU (cst, inst) in + let effs = Evd.concat_side_effects eff effs in + effs, sigma, lem, args, safe + +let get_goal_context pf i = + let p = get_proof pf in + Proof.get_goal_context_gen p i + +let get_current_goal_context pf = + let p = get_proof pf in + try Proof.get_goal_context_gen p 1 + with + | Proof.NoSuchGoal _ -> + (* spiwack: returning empty evar_map, since if there is no goal, + under focus, there is no accessible evar either. EJGA: this + seems strange, as we have pf *) + let env = Global.env () in + Evd.from_env env, env + +let get_current_context pf = + let p = get_proof pf in + Proof.get_proof_context p + +module Proof = struct + type nonrec t = t + let get_proof = get_proof + let get_proof_name = get_proof_name + let get_used_variables = get_used_variables + let get_universe_decl = get_universe_decl + let get_initial_euctx = get_initial_euctx + let map_proof = map_proof + let map_fold_proof = map_fold_proof + let map_fold_proof_endline = map_fold_proof_endline + let set_endline_tactic = set_endline_tactic + let set_used_variables = set_used_variables + let compact = compact_the_proof + let update_global_env = update_global_env + let get_open_goals = get_open_goals +end + +let declare_definition_scheme ~internal ~univs ~role ~name c = + let kind = Decls.(IsDefinition Scheme) in + let entry = pure_definition_entry ~univs c in + let kn, eff = declare_private_constant ~role ~kind ~name entry in + let () = if internal then () else definition_message name in + kn, eff + +let _ = Ind_tables.declare_definition_scheme := declare_definition_scheme +let _ = Abstract.declare_abstract := declare_abstract + +let declare_universe_context = DeclareUctx.declare_universe_context + +type locality = Discharge | Global of import_status + +(* Hooks naturally belong here as they apply to both definitions and lemmas *) +module Hook = struct + module S = struct + type t = + { uctx : UState.t + (** [ustate]: universe constraints obtained when the term was closed *) + ; obls : (Names.Id.t * Constr.t) list + (** [(n1,t1),...(nm,tm)]: association list between obligation + name and the corresponding defined term (might be a constant, + but also an arbitrary term in the Expand case of obligations) *) + ; scope : locality + (** [locality]: Locality of the original declaration *) + ; dref : Names.GlobRef.t + (** [ref]: identifier of the original declaration *) + } + end + + type t = (S.t -> unit) CEphemeron.key + + let make hook = CEphemeron.create hook + + let call ?hook x = Option.iter (fun hook -> CEphemeron.get hook x) hook + +end + +(* Locality stuff *) +let declare_entry ~name ~scope ~kind ?hook ?(obls=[]) ~impargs ~uctx entry = + let should_suggest = entry.proof_entry_opaque && + Option.is_empty entry.proof_entry_secctx in + let ubind = UState.universe_binders uctx in + let dref = match scope with + | Discharge -> + let () = declare_variable ~name ~kind (SectionLocalDef entry) in + if should_suggest then Proof_using.suggest_variable (Global.env ()) name; + Names.GlobRef.VarRef name + | Global local -> + let kn = declare_constant ~name ~local ~kind (DefinitionEntry entry) in + let gr = Names.GlobRef.ConstRef kn in + if should_suggest then Proof_using.suggest_constant (Global.env ()) kn; + let () = DeclareUniv.declare_univ_binders gr ubind in + gr + in + let () = Impargs.maybe_declare_manual_implicits false dref impargs in + let () = definition_message name in + Option.iter (fun hook -> Hook.call ~hook { Hook.S.uctx; obls; scope; dref }) hook; + dref + +let mutual_make_bodies ~fixitems ~rec_declaration ~possible_indexes = + match possible_indexes with + | Some possible_indexes -> + let env = Global.env() in + let indexes = Pretyping.search_guard env possible_indexes rec_declaration in + let vars = Vars.universes_of_constr (Constr.mkFix ((indexes,0),rec_declaration)) in + let fixdecls = CList.map_i (fun i _ -> Constr.mkFix ((indexes,i),rec_declaration)) 0 fixitems in + vars, fixdecls, Some indexes + | None -> + let fixdecls = CList.map_i (fun i _ -> Constr.mkCoFix (i,rec_declaration)) 0 fixitems in + let vars = Vars.universes_of_constr (List.hd fixdecls) in + vars, fixdecls, None + +module Recthm = struct + type t = + { name : Names.Id.t + (** Name of theorem *) + ; typ : Constr.t + (** Type of theorem *) + ; args : Names.Name.t list + (** Names to pre-introduce *) + ; impargs : Impargs.manual_implicits + (** Explicitily declared implicit arguments *) + } +end + +let declare_mutually_recursive ~opaque ~scope ~kind ~poly ~uctx ~udecl ~ntns ~rec_declaration ~possible_indexes ?(restrict_ucontext=true) fixitems = + let vars, fixdecls, indexes = + mutual_make_bodies ~fixitems ~rec_declaration ~possible_indexes in + let uctx, univs = + (* XXX: Obligations don't do this, this seems like a bug? *) + if restrict_ucontext + then + let uctx = UState.restrict uctx vars in + let univs = UState.check_univ_decl ~poly uctx udecl in + uctx, univs + else + let univs = UState.univ_entry ~poly uctx in + uctx, univs + in + let csts = CList.map2 + (fun Recthm.{ name; typ; impargs } body -> + let entry = definition_entry ~opaque ~types:typ ~univs body in + declare_entry ~name ~scope ~kind ~impargs ~uctx entry) + fixitems fixdecls + in + let isfix = Option.has_some possible_indexes in + let fixnames = List.map (fun { Recthm.name } -> name) fixitems in + recursive_message isfix indexes fixnames; + List.iter (Metasyntax.add_notation_interpretation (Global.env())) ntns; + csts + +let warn_let_as_axiom = + CWarnings.create ~name:"let-as-axiom" ~category:"vernacular" + Pp.(fun id -> strbrk "Let definition" ++ spc () ++ Names.Id.print id ++ + spc () ++ strbrk "declared as an axiom.") + +let declare_assumption ~name ~scope ~hook ~impargs ~uctx pe = + let local = match scope with + | Discharge -> warn_let_as_axiom name; ImportNeedQualified + | Global local -> local + in + let kind = Decls.(IsAssumption Conjectural) in + let decl = ParameterEntry pe in + let kn = declare_constant ~name ~local ~kind decl in + let dref = Names.GlobRef.ConstRef kn in + let () = Impargs.maybe_declare_manual_implicits false dref impargs in + let () = assumption_message name in + let () = DeclareUniv.declare_univ_binders dref (UState.universe_binders uctx) in + let () = Hook.(call ?hook { S.uctx; obls = []; scope; dref}) in + dref + +let declare_assumption ?fix_exn ~name ~scope ~hook ~impargs ~uctx pe = + try declare_assumption ~name ~scope ~hook ~impargs ~uctx pe + with exn -> + let exn = Exninfo.capture exn in + let exn = Option.cata (fun fix -> fix exn) exn fix_exn in + Exninfo.iraise exn + +(* Preparing proof entries *) + +let prepare_definition ?opaque ?inline ?fix_exn ~poly ~udecl ~types ~body sigma = + let env = Global.env () in + Pretyping.check_evars_are_solved ~program_mode:false env sigma; + let sigma, (body, types) = Evarutil.finalize ~abort_on_undefined_evars:true + sigma (fun nf -> nf body, Option.map nf types) + in + let univs = Evd.check_univ_decl ~poly sigma udecl in + let entry = definition_entry ?fix_exn ?opaque ?inline ?types ~univs body in + let uctx = Evd.evar_universe_context sigma in + entry, uctx + +let declare_definition ~name ~scope ~kind ~opaque ~impargs ~udecl ?hook + ?obls ~poly ?inline ~types ~body ?fix_exn sigma = + let entry, uctx = prepare_definition ?fix_exn ~opaque ~poly ~udecl ~types ~body ?inline sigma in + declare_entry ~name ~scope ~kind ~impargs ?obls ?hook ~uctx entry + +let prepare_obligation ?opaque ?inline ~name ~poly ~udecl ~types ~body sigma = + let sigma, (body, types) = Evarutil.finalize ~abort_on_undefined_evars:false + sigma (fun nf -> nf body, Option.map nf types) + in + let univs = Evd.check_univ_decl ~poly sigma udecl in + let ce = definition_entry ?opaque ?inline ?types ~univs body in + let env = Global.env () in + let (c,ctx), sideff = Future.force ce.proof_entry_body in + assert(Safe_typing.is_empty_private_constants sideff.Evd.seff_private); + assert(Univ.ContextSet.is_empty ctx); + RetrieveObl.check_evars env sigma; + let c = EConstr.of_constr c in + let typ = match ce.proof_entry_type with + | Some t -> EConstr.of_constr t + | None -> Retyping.get_type_of env sigma c + in + let obls, _, c, cty = RetrieveObl.retrieve_obligations env name sigma 0 c typ in + let uctx = Evd.evar_universe_context sigma in + c, cty, uctx, obls + +let prepare_parameter ~poly ~udecl ~types sigma = + let env = Global.env () in + Pretyping.check_evars_are_solved ~program_mode:false env sigma; + let sigma, typ = Evarutil.finalize ~abort_on_undefined_evars:true + sigma (fun nf -> nf types) + in + let univs = Evd.check_univ_decl ~poly sigma udecl in + sigma, (None(*proof using*), (typ, univs), None(*inline*)) + +(* Compat: will remove *) +exception AlreadyDeclared = DeclareUniv.AlreadyDeclared diff --git a/vernac/declare.mli b/vernac/declare.mli new file mode 100644 index 0000000000..340c035d1d --- /dev/null +++ b/vernac/declare.mli @@ -0,0 +1,399 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * Copyright INRIA, CNRS and contributors *) +(* <O___,, * (see version control and CREDITS file for authors & dates) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +open Names +open Constr +open Entries + +(** This module provides the official functions to declare new + variables, parameters, constants and inductive types in the global + environment. It also updates some accesory tables such as [Nametab] + (name resolution), [Impargs], and [Notations]. *) + +(** We provide two kind of fuctions: + + - one go functions, that will register a constant in one go, suited + for non-interactive definitions where the term is given. + + - two-phase [start/declare] functions which will create an + interactive proof, allow its modification, and saving when + complete. + + Internally, these functions mainly differ in that usually, the first + case doesn't require setting up the tactic engine. + + *) + +(** [Declare.Proof.t] Construction of constants using interactive proofs. *) +module Proof : sig + + type t + + (** XXX: These are internal and will go away from publis API once + lemmas is merged here *) + val get_proof : t -> Proof.t + val get_proof_name : t -> Names.Id.t + + (** XXX: These 3 are only used in lemmas *) + val get_used_variables : t -> Names.Id.Set.t option + val get_universe_decl : t -> UState.universe_decl + val get_initial_euctx : t -> UState.t + + val map_proof : (Proof.t -> Proof.t) -> t -> t + val map_fold_proof : (Proof.t -> Proof.t * 'a) -> t -> t * 'a + val map_fold_proof_endline : (unit Proofview.tactic -> Proof.t -> Proof.t * 'a) -> t -> t * 'a + + (** Sets the tactic to be used when a tactic line is closed with [...] *) + val set_endline_tactic : Genarg.glob_generic_argument -> t -> t + + (** Sets the section variables assumed by the proof, returns its closure + * (w.r.t. type dependencies and let-ins covered by it) *) + val set_used_variables : t -> + Names.Id.t list -> Constr.named_context * t + + val compact : t -> t + + (** Update the proofs global environment after a side-effecting command + (e.g. a sublemma definition) has been run inside it. Assumes + there_are_pending_proofs. *) + val update_global_env : t -> t + + val get_open_goals : t -> int + +end + +type opacity_flag = Vernacexpr.opacity_flag = Opaque | Transparent + +(** [start_proof ~name ~udecl ~poly sigma goals] starts a proof of + name [name] with goals [goals] (a list of pairs of environment and + conclusion); [poly] determines if the proof is universe + polymorphic. The proof is started in the evar map [sigma] (which + can typically contain universe constraints), and with universe + bindings [udecl]. *) +val start_proof + : name:Names.Id.t + -> udecl:UState.universe_decl + -> poly:bool + -> Evd.evar_map + -> (Environ.env * EConstr.types) list + -> Proof.t + +(** Like [start_proof] except that there may be dependencies between + initial goals. *) +val start_dependent_proof + : name:Names.Id.t + -> udecl:UState.universe_decl + -> poly:bool + -> Proofview.telescope + -> Proof.t + +(** Proof entries represent a proof that has been finished, but still + not registered with the kernel. + + XXX: Scheduled for removal from public API, don't rely on it *) +type 'a proof_entry = private { + proof_entry_body : 'a Entries.const_entry_body; + (* List of section variables *) + proof_entry_secctx : Id.Set.t option; + (* State id on which the completion of type checking is reported *) + proof_entry_feedback : Stateid.t option; + proof_entry_type : Constr.types option; + proof_entry_universes : Entries.universes_entry; + proof_entry_opaque : bool; + proof_entry_inline_code : bool; +} + +(** XXX: Scheduled for removal from public API, don't rely on it *) +type proof_object = private + { name : Names.Id.t + (** name of the proof *) + ; entries : Evd.side_effects proof_entry list + (** list of the proof terms (in a form suitable for definitions). *) + ; uctx: UState.t + (** universe state *) + } + +val close_proof : opaque:opacity_flag -> keep_body_ucst_separate:bool -> Proof.t -> proof_object + +(** Declaration of local constructions (Variable/Hypothesis/Local) *) + +(** XXX: Scheduled for removal from public API, don't rely on it *) +type variable_declaration = + | SectionLocalDef of Evd.side_effects proof_entry + | SectionLocalAssum of { typ:types; impl:Glob_term.binding_kind; } + +(** XXX: Scheduled for removal from public API, don't rely on it *) +type 'a constant_entry = + | DefinitionEntry of 'a proof_entry + | ParameterEntry of parameter_entry + | PrimitiveEntry of primitive_entry + +val declare_variable + : name:variable + -> kind:Decls.logical_kind + -> variable_declaration + -> unit + +(** Declaration of global constructions + i.e. Definition/Theorem/Axiom/Parameter/... + + XXX: Scheduled for removal from public API, use `DeclareDef` instead *) +val definition_entry + : ?fix_exn:Future.fix_exn + -> ?opaque:bool + -> ?inline:bool + -> ?feedback_id:Stateid.t + -> ?section_vars:Id.Set.t + -> ?types:types + -> ?univs:Entries.universes_entry + -> ?eff:Evd.side_effects + -> ?univsbody:Univ.ContextSet.t + (** Universe-constraints attached to the body-only, used in + vio-delayed opaque constants and private poly universes *) + -> constr + -> Evd.side_effects proof_entry + +type import_status = ImportDefaultBehavior | ImportNeedQualified + +(** [declare_constant id cd] declares a global declaration + (constant/parameter) with name [id] in the current section; it returns + the full path of the declaration + + internal specify if the constant has been created by the kernel or by the + user, and in the former case, if its errors should be silent + + XXX: Scheduled for removal from public API, use `DeclareDef` instead *) +val declare_constant + : ?local:import_status + -> name:Id.t + -> kind:Decls.logical_kind + -> Evd.side_effects constant_entry + -> Constant.t + +(** [inline_private_constants ~sideff ~uctx env ce] will inline the + constants in [ce]'s body and return the body plus the updated + [UState.t]. + + XXX: Scheduled for removal from public API, don't rely on it *) +val inline_private_constants + : uctx:UState.t + -> Environ.env + -> Evd.side_effects proof_entry + -> Constr.t * UState.t + +(** Declaration messages *) + +(** XXX: Scheduled for removal from public API, do not use *) +val definition_message : Id.t -> unit +val assumption_message : Id.t -> unit +val fixpoint_message : int array option -> Id.t list -> unit + +val check_exists : Id.t -> unit + +(** {6 For legacy support, do not use} *) + +module Internal : sig + + val map_entry_body : f:('a Entries.proof_output -> 'b Entries.proof_output) -> 'a proof_entry -> 'b proof_entry + val map_entry_type : f:(Constr.t option -> Constr.t option) -> 'a proof_entry -> 'a proof_entry + (* Overriding opacity is indeed really hacky *) + val set_opacity : opaque:bool -> 'a proof_entry -> 'a proof_entry + + val shrink_entry : EConstr.named_context -> 'a proof_entry -> 'a proof_entry * Constr.constr list + + type constant_obj + + val objConstant : constant_obj Libobject.Dyn.tag + val objVariable : unit Libobject.Dyn.tag + +end + +(* Intermediate step necessary to delegate the future. + * Both access the current proof state. The former is supposed to be + * chained with a computation that completed the proof *) +type closed_proof_output + +(** Requires a complete proof. *) +val return_proof : Proof.t -> closed_proof_output + +(** An incomplete proof is allowed (no error), and a warn is given if + the proof is complete. *) +val return_partial_proof : Proof.t -> closed_proof_output +val close_future_proof : feedback_id:Stateid.t -> Proof.t -> closed_proof_output Future.computation -> proof_object + +(** [by tac] applies tactic [tac] to the 1st subgoal of the current + focused proof. + Returns [false] if an unsafe tactic has been used. *) +val by : unit Proofview.tactic -> Proof.t -> Proof.t * bool + +val build_by_tactic + : ?side_eff:bool + -> Environ.env + -> uctx:UState.t + -> poly:bool + -> typ:EConstr.types + -> unit Proofview.tactic + -> Constr.constr * Constr.types option * Entries.universes_entry * bool * UState.t + +(** {6 Helpers to obtain proof state when in an interactive proof } *) + +(** [get_goal_context n] returns the context of the [n]th subgoal of + the current focused proof or raises a [UserError] if there is no + focused proof or if there is no more subgoals *) + +val get_goal_context : Proof.t -> int -> Evd.evar_map * Environ.env + +(** [get_current_goal_context ()] works as [get_goal_context 1] *) +val get_current_goal_context : Proof.t -> Evd.evar_map * Environ.env + +(** [get_current_context ()] returns the context of the + current focused goal. If there is no focused goal but there + is a proof in progress, it returns the corresponding evar_map. + If there is no pending proof then it returns the current global + environment and empty evar_map. *) +val get_current_context : Proof.t -> Evd.evar_map * Environ.env + +(** Temporarily re-exported for 3rd party code; don't use *) +val build_constant_by_tactic : + name:Names.Id.t -> + ?opaque:opacity_flag -> + uctx:UState.t -> + sign:Environ.named_context_val -> + poly:bool -> + EConstr.types -> + unit Proofview.tactic -> + Evd.side_effects proof_entry * bool * UState.t + +val declare_universe_context : poly:bool -> Univ.ContextSet.t -> unit +[@@ocaml.deprecated "Use DeclareUctx.declare_universe_context"] + +type locality = Discharge | Global of import_status + +(** Declaration hooks *) +module Hook : sig + type t + + (** Hooks allow users of the API to perform arbitrary actions at + proof/definition saving time. For example, to register a constant + as a Coercion, perform some cleanup, update the search database, + etc... *) + module S : sig + type t = + { uctx : UState.t + (** [ustate]: universe constraints obtained when the term was closed *) + ; obls : (Id.t * Constr.t) list + (** [(n1,t1),...(nm,tm)]: association list between obligation + name and the corresponding defined term (might be a constant, + but also an arbitrary term in the Expand case of obligations) *) + ; scope : locality + (** [scope]: Locality of the original declaration *) + ; dref : GlobRef.t + (** [dref]: identifier of the original declaration *) + } + end + + val make : (S.t -> unit) -> t + val call : ?hook:t -> S.t -> unit +end + +(** Declare an interactively-defined constant *) +val declare_entry + : name:Id.t + -> scope:locality + -> kind:Decls.logical_kind + -> ?hook:Hook.t + -> ?obls:(Id.t * Constr.t) list + -> impargs:Impargs.manual_implicits + -> uctx:UState.t + -> Evd.side_effects proof_entry + -> GlobRef.t + +(** Declares a non-interactive constant; [body] and [types] will be + normalized w.r.t. the passed [evar_map] [sigma]. Universes should + be handled properly, including minimization and restriction. Note + that [sigma] is checked for unresolved evars, thus you should be + careful not to submit open terms or evar maps with stale, + unresolved existentials *) +val declare_definition + : name:Id.t + -> scope:locality + -> kind:Decls.logical_kind + -> opaque:bool + -> impargs:Impargs.manual_implicits + -> udecl:UState.universe_decl + -> ?hook:Hook.t + -> ?obls:(Id.t * Constr.t) list + -> poly:bool + -> ?inline:bool + -> types:EConstr.t option + -> body:EConstr.t + -> ?fix_exn:(Exninfo.iexn -> Exninfo.iexn) + -> Evd.evar_map + -> GlobRef.t + +val declare_assumption + : ?fix_exn:(Exninfo.iexn -> Exninfo.iexn) + -> name:Id.t + -> scope:locality + -> hook:Hook.t option + -> impargs:Impargs.manual_implicits + -> uctx:UState.t + -> Entries.parameter_entry + -> GlobRef.t + +module Recthm : sig + type t = + { name : Id.t + (** Name of theorem *) + ; typ : Constr.t + (** Type of theorem *) + ; args : Name.t list + (** Names to pre-introduce *) + ; impargs : Impargs.manual_implicits + (** Explicitily declared implicit arguments *) + } +end + +val declare_mutually_recursive + : opaque:bool + -> scope:locality + -> kind:Decls.logical_kind + -> poly:bool + -> uctx:UState.t + -> udecl:UState.universe_decl + -> ntns:Vernacexpr.decl_notation list + -> rec_declaration:Constr.rec_declaration + -> possible_indexes:int list list option + -> ?restrict_ucontext:bool + (** XXX: restrict_ucontext should be always true, this seems like a + bug in obligations, so this parameter should go away *) + -> Recthm.t list + -> Names.GlobRef.t list + +val prepare_obligation + : ?opaque:bool + -> ?inline:bool + -> name:Id.t + -> poly:bool + -> udecl:UState.universe_decl + -> types:EConstr.t option + -> body:EConstr.t + -> Evd.evar_map + -> Constr.constr * Constr.types * UState.t * RetrieveObl.obligation_info + +val prepare_parameter + : poly:bool + -> udecl:UState.universe_decl + -> types:EConstr.types + -> Evd.evar_map + -> Evd.evar_map * Entries.parameter_entry + +(* Compat: will remove *) +exception AlreadyDeclared of (string option * Names.Id.t) diff --git a/vernac/declareDef.ml b/vernac/declareDef.ml index fc53abdcea..83bb1dae71 100644 --- a/vernac/declareDef.ml +++ b/vernac/declareDef.ml @@ -1,165 +1,9 @@ -(************************************************************************) -(* * The Coq Proof Assistant / The Coq Development Team *) -(* v * Copyright INRIA, CNRS and contributors *) -(* <O___,, * (see version control and CREDITS file for authors & dates) *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(* * (see LICENSE file for the text of the license) *) -(************************************************************************) - -open Declare -open Impargs - -type locality = Discharge | Global of Declare.import_status - -(* Hooks naturally belong here as they apply to both definitions and lemmas *) -module Hook = struct - module S = struct - type t = - { uctx : UState.t - (** [ustate]: universe constraints obtained when the term was closed *) - ; obls : (Names.Id.t * Constr.t) list - (** [(n1,t1),...(nm,tm)]: association list between obligation - name and the corresponding defined term (might be a constant, - but also an arbitrary term in the Expand case of obligations) *) - ; scope : locality - (** [locality]: Locality of the original declaration *) - ; dref : Names.GlobRef.t - (** [ref]: identifier of the original declaration *) - } - end - - type t = (S.t -> unit) CEphemeron.key - - let make hook = CEphemeron.create hook - - let call ?hook ?fix_exn x = - try Option.iter (fun hook -> CEphemeron.get hook x) hook - with e when CErrors.noncritical e -> - let e = Exninfo.capture e in - let e = Option.cata (fun fix -> fix e) e fix_exn in - Exninfo.iraise e -end - -(* Locality stuff *) -let declare_definition ~name ~scope ~kind ?hook_data ~ubind ~impargs ce = - let fix_exn = Declare.Internal.get_fix_exn ce in - let should_suggest = ce.Declare.proof_entry_opaque && - Option.is_empty ce.Declare.proof_entry_secctx in - let dref = match scope with - | Discharge -> - let () = declare_variable ~name ~kind (SectionLocalDef ce) in - if should_suggest then Proof_using.suggest_variable (Global.env ()) name; - Names.GlobRef.VarRef name - | Global local -> - let kn = declare_constant ~name ~local ~kind (DefinitionEntry ce) in - let gr = Names.GlobRef.ConstRef kn in - if should_suggest then Proof_using.suggest_constant (Global.env ()) kn; - let () = DeclareUniv.declare_univ_binders gr ubind in - gr - in - let () = maybe_declare_manual_implicits false dref impargs in - let () = definition_message name in - begin - match hook_data with - | None -> () - | Some (hook, uctx, obls) -> - Hook.call ~fix_exn ~hook { Hook.S.uctx; obls; scope; dref } - end; - dref - -let mutual_make_bodies ~fixitems ~rec_declaration ~possible_indexes = - match possible_indexes with - | Some possible_indexes -> - let env = Global.env() in - let indexes = Pretyping.search_guard env possible_indexes rec_declaration in - let vars = Vars.universes_of_constr (Constr.mkFix ((indexes,0),rec_declaration)) in - let fixdecls = CList.map_i (fun i _ -> Constr.mkFix ((indexes,i),rec_declaration)) 0 fixitems in - vars, fixdecls, Some indexes - | None -> - let fixdecls = CList.map_i (fun i _ -> Constr.mkCoFix (i,rec_declaration)) 0 fixitems in - let vars = Vars.universes_of_constr (List.hd fixdecls) in - vars, fixdecls, None - -module Recthm = struct - type t = - { name : Names.Id.t - (** Name of theorem *) - ; typ : Constr.t - (** Type of theorem *) - ; args : Names.Name.t list - (** Names to pre-introduce *) - ; impargs : Impargs.manual_implicits - (** Explicitily declared implicit arguments *) - } -end - -let declare_mutually_recursive ~opaque ~scope ~kind ~poly ~uctx ~udecl ~ntns ~rec_declaration ~possible_indexes ?(restrict_ucontext=true) fixitems = - let vars, fixdecls, indexes = - mutual_make_bodies ~fixitems ~rec_declaration ~possible_indexes in - let ubind, univs = - (* XXX: Obligations don't do this, this seems like a bug? *) - if restrict_ucontext - then - let evd = Evd.from_ctx uctx in - let evd = Evd.restrict_universe_context evd vars in - let univs = Evd.check_univ_decl ~poly evd udecl in - Evd.universe_binders evd, univs - else - let univs = UState.univ_entry ~poly uctx in - UnivNames.empty_binders, univs - in - let csts = CList.map2 - (fun Recthm.{ name; typ; impargs } body -> - let ce = Declare.definition_entry ~opaque ~types:typ ~univs body in - declare_definition ~name ~scope ~kind ~ubind ~impargs ce) - fixitems fixdecls - in - let isfix = Option.is_empty possible_indexes in - let fixnames = List.map (fun { Recthm.name } -> name) fixitems in - Declare.recursive_message isfix indexes fixnames; - List.iter (Metasyntax.add_notation_interpretation (Global.env())) ntns; - csts - -let warn_let_as_axiom = - CWarnings.create ~name:"let-as-axiom" ~category:"vernacular" - Pp.(fun id -> strbrk "Let definition" ++ spc () ++ Names.Id.print id ++ - spc () ++ strbrk "declared as an axiom.") - -let declare_assumption ?fix_exn ~name ~scope ~hook ~impargs ~uctx pe = - let local = match scope with - | Discharge -> warn_let_as_axiom name; Declare.ImportNeedQualified - | Global local -> local - in - let kind = Decls.(IsAssumption Conjectural) in - let decl = Declare.ParameterEntry pe in - let kn = Declare.declare_constant ~name ~local ~kind decl in - let dref = Names.GlobRef.ConstRef kn in - let () = Impargs.maybe_declare_manual_implicits false dref impargs in - let () = Declare.assumption_message name in - let () = DeclareUniv.declare_univ_binders dref (UState.universe_binders uctx) in - let () = Hook.(call ?fix_exn ?hook { S.uctx; obls = []; scope; dref}) in - dref - -(* Preparing proof entries *) - -let check_definition_evars ~allow_evars sigma = - let env = Global.env () in - if not allow_evars then Pretyping.check_evars_are_solved ~program_mode:false env sigma - -let prepare_definition ~allow_evars ?opaque ?inline ~poly ~udecl ~types ~body sigma = - check_definition_evars ~allow_evars sigma; - let sigma, (body, types) = Evarutil.finalize ~abort_on_undefined_evars:(not allow_evars) - sigma (fun nf -> nf body, Option.map nf types) - in - let univs = Evd.check_univ_decl ~poly sigma udecl in - sigma, definition_entry ?opaque ?inline ?types ~univs body - -let prepare_parameter ~allow_evars ~poly ~udecl ~types sigma = - check_definition_evars ~allow_evars sigma; - let sigma, typ = Evarutil.finalize ~abort_on_undefined_evars:(not allow_evars) - sigma (fun nf -> nf types) - in - let univs = Evd.check_univ_decl ~poly sigma udecl in - sigma, (None(*proof using*), (typ, univs), None(*inline*)) +type locality = Declare.locality = + | Discharge [@ocaml.deprecated "Use [Declare.Discharge]"] + | Global of Declare.import_status [@ocaml.deprecated "Use [Declare.Global]"] +[@@ocaml.deprecated "Use [Declare.locality]"] + +let declare_definition = Declare.declare_definition +[@@ocaml.deprecated "Use [Declare.declare_definition]"] +module Hook = Declare.Hook +[@@ocaml.deprecated "Use [Declare.Hook]"] diff --git a/vernac/declareDef.mli b/vernac/declareDef.mli deleted file mode 100644 index 1d7fd3a3bf..0000000000 --- a/vernac/declareDef.mli +++ /dev/null @@ -1,108 +0,0 @@ -(************************************************************************) -(* * The Coq Proof Assistant / The Coq Development Team *) -(* v * Copyright INRIA, CNRS and contributors *) -(* <O___,, * (see version control and CREDITS file for authors & dates) *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(* * (see LICENSE file for the text of the license) *) -(************************************************************************) - -open Names - -type locality = Discharge | Global of Declare.import_status - -(** Declaration hooks *) -module Hook : sig - type t - - (** Hooks allow users of the API to perform arbitrary actions at - proof/definition saving time. For example, to register a constant - as a Coercion, perform some cleanup, update the search database, - etc... *) - module S : sig - type t = - { uctx : UState.t - (** [ustate]: universe constraints obtained when the term was closed *) - ; obls : (Id.t * Constr.t) list - (** [(n1,t1),...(nm,tm)]: association list between obligation - name and the corresponding defined term (might be a constant, - but also an arbitrary term in the Expand case of obligations) *) - ; scope : locality - (** [scope]: Locality of the original declaration *) - ; dref : GlobRef.t - (** [dref]: identifier of the original declaration *) - } - end - - val make : (S.t -> unit) -> t - val call : ?hook:t -> ?fix_exn:Future.fix_exn -> S.t -> unit -end - -val declare_definition - : name:Id.t - -> scope:locality - -> kind:Decls.logical_kind - -> ?hook_data:(Hook.t * UState.t * (Id.t * Constr.t) list) - -> ubind:UnivNames.universe_binders - -> impargs:Impargs.manual_implicits - -> Evd.side_effects Declare.proof_entry - -> GlobRef.t - -val declare_assumption - : ?fix_exn:(Exninfo.iexn -> Exninfo.iexn) - -> name:Id.t - -> scope:locality - -> hook:Hook.t option - -> impargs:Impargs.manual_implicits - -> uctx:UState.t - -> Entries.parameter_entry - -> GlobRef.t - -module Recthm : sig - type t = - { name : Id.t - (** Name of theorem *) - ; typ : Constr.t - (** Type of theorem *) - ; args : Name.t list - (** Names to pre-introduce *) - ; impargs : Impargs.manual_implicits - (** Explicitily declared implicit arguments *) - } -end - -val declare_mutually_recursive - : opaque:bool - -> scope:locality - -> kind:Decls.logical_kind - -> poly:bool - -> uctx:UState.t - -> udecl:UState.universe_decl - -> ntns:Vernacexpr.decl_notation list - -> rec_declaration:Constr.rec_declaration - -> possible_indexes:int list list option - -> ?restrict_ucontext:bool - (** XXX: restrict_ucontext should be always true, this seems like a - bug in obligations, so this parameter should go away *) - -> Recthm.t list - -> Names.GlobRef.t list - -val prepare_definition - : allow_evars:bool - -> ?opaque:bool - -> ?inline:bool - -> poly:bool - -> udecl:UState.universe_decl - -> types:EConstr.t option - -> body:EConstr.t - -> Evd.evar_map - -> Evd.evar_map * Evd.side_effects Declare.proof_entry - -val prepare_parameter - : allow_evars:bool - -> poly:bool - -> udecl:UState.universe_decl - -> types:EConstr.types - -> Evd.evar_map - -> Evd.evar_map * Entries.parameter_entry diff --git a/vernac/declareInd.ml b/vernac/declareInd.ml index 2610f16d92..e22d63b811 100644 --- a/vernac/declareInd.ml +++ b/vernac/declareInd.ml @@ -49,9 +49,12 @@ let load_inductive i ((sp, kn), names) = let names = inductive_names sp kn names in List.iter (fun (sp, ref) -> Nametab.push (Nametab.Until i) sp ref ) names -let open_inductive i ((sp, kn), names) = +let open_inductive f i ((sp, kn), names) = let names = inductive_names sp kn names in - List.iter (fun (sp, ref) -> Nametab.push (Nametab.Exactly i) sp ref) names + List.iter (fun (sp, ref) -> + if Libobject.in_filter_ref ref f then + Nametab.push (Nametab.Exactly i) sp ref) + names let cache_inductive ((sp, kn), names) = let names = inductive_names sp kn names in @@ -93,38 +96,6 @@ let inPrim : (Projection.Repr.t * Constant.t) -> Libobject.obj = let declare_primitive_projection p c = Lib.add_anonymous_leaf (inPrim (p,c)) -let declare_one_projection univs (mind,_ as ind) ~proj_npars proj_arg label (term,types) = - let name = Label.to_id label in - let univs, u = match univs with - | Monomorphic_entry _ -> - (* Global constraints already defined through the inductive *) - Monomorphic_entry Univ.ContextSet.empty, Univ.Instance.empty - | Polymorphic_entry (nas, ctx) -> - Polymorphic_entry (nas, ctx), Univ.UContext.instance ctx - in - let term = Vars.subst_instance_constr u term in - let types = Vars.subst_instance_constr u types in - let entry = Declare.definition_entry ~types ~univs term in - let cst = Declare.declare_constant ~name ~kind:Decls.(IsDefinition StructureComponent) (Declare.DefinitionEntry entry) in - let p = Projection.Repr.make ind ~proj_npars ~proj_arg label in - declare_primitive_projection p cst - -let declare_projections univs mind = - let env = Global.env () in - let mib = Environ.lookup_mind mind env in - let open Declarations in - match mib.mind_record with - | PrimRecord info -> - let iter_ind i (_, labs, _, _) = - let ind = (mind, i) in - let projs = Inductiveops.compute_projections env ind in - CArray.iter2_i (declare_one_projection univs ind ~proj_npars:mib.mind_nparams) labs projs - in - let () = Array.iteri iter_ind info in - true - | FakeRecord -> false - | NotRecord -> false - let feedback_axiom () = Feedback.(feedback AddedAxiom) let is_unsafe_typing_flags () = @@ -146,7 +117,7 @@ let declare_mind mie = let (sp,kn as oname) = Lib.add_leaf id (inInductive { ind_names = names }) in if is_unsafe_typing_flags() then feedback_axiom (); let mind = Global.mind_of_delta_kn kn in - let isprim = declare_projections mie.mind_entry_universes mind in + let isprim = Inductive.is_primitive_record (Inductive.lookup_mind_specif (Global.env()) (mind,0)) in Impargs.declare_mib_implicits mind; declare_inductive_argument_scopes mind mie; oname, isprim diff --git a/vernac/declareInd.mli b/vernac/declareInd.mli index ae649634a5..05a1617329 100644 --- a/vernac/declareInd.mli +++ b/vernac/declareInd.mli @@ -30,3 +30,6 @@ type inductive_obj val objInductive : inductive_obj Libobject.Dyn.tag end + +val declare_primitive_projection : + Names.Projection.Repr.t -> Names.Constant.t -> unit diff --git a/vernac/declareObl.ml b/vernac/declareObl.ml index 98a9e4b9c9..ab11472dec 100644 --- a/vernac/declareObl.ml +++ b/vernac/declareObl.ml @@ -55,10 +55,10 @@ module ProgramDecl = struct ; prg_implicits : Impargs.manual_implicits ; prg_notations : Vernacexpr.decl_notation list ; prg_poly : bool - ; prg_scope : DeclareDef.locality + ; prg_scope : Declare.locality ; prg_kind : Decls.definition_object_kind ; prg_reduce : constr -> constr - ; prg_hook : DeclareDef.Hook.t option + ; prg_hook : Declare.Hook.t option ; prg_opaque : bool } @@ -362,34 +362,21 @@ let get_fix_exn, stm_get_fix_exn = Hook.make () let declare_definition prg = let varsubst = obligation_substitution true prg in - let body, typ = subst_prog varsubst prg in - let nf = - UnivSubst.nf_evars_and_universes_opt_subst - (fun x -> None) - (UState.subst prg.prg_ctx) - in - let opaque = prg.prg_opaque in + let sigma = Evd.from_ctx prg.prg_ctx in + let body, types = subst_prog varsubst prg in + let body, types = EConstr.(of_constr body, Some (of_constr types)) in + (* All these should be grouped into a struct a some point *) + let opaque, poly, udecl, hook = prg.prg_opaque, prg.prg_poly, prg.prg_univdecl, prg.prg_hook in + let name, scope, kind, impargs = prg.prg_name, prg.prg_scope, Decls.(IsDefinition prg.prg_kind), prg.prg_implicits in let fix_exn = Hook.get get_fix_exn () in - let typ = nf typ in - let body = nf body in - let obls = List.map (fun (id, (_, c)) -> (id, nf c)) varsubst in - let uvars = - Univ.LSet.union - (Vars.universes_of_constr typ) - (Vars.universes_of_constr body) - in - let uctx = UState.restrict prg.prg_ctx uvars in - let univs = - UState.check_univ_decl ~poly:prg.prg_poly uctx prg.prg_univdecl - in - let ce = Declare.definition_entry ~fix_exn ~opaque ~types:typ ~univs body in + let obls = List.map (fun (id, (_, c)) -> (id, c)) varsubst in + (* XXX: This is doing normalization twice *) let () = progmap_remove prg in - let ubind = UState.universe_binders uctx in - let hook_data = Option.map (fun hook -> hook, uctx, obls) prg.prg_hook in - DeclareDef.declare_definition - ~name:prg.prg_name ~scope:prg.prg_scope ~ubind - ~kind:Decls.(IsDefinition prg.prg_kind) ce - ~impargs:prg.prg_implicits ?hook_data + let kn = + Declare.declare_definition ~name ~scope ~kind ~impargs ?hook ~obls + ~fix_exn ~opaque ~poly ~udecl ~types ~body sigma + in + kn let rec lam_index n t acc = match Constr.kind t with @@ -439,7 +426,7 @@ let declare_mutual_definition l = let fixdefs, fixrs, fixtypes, fixitems = List.fold_right2 (fun (d,r,typ,impargs) name (a1,a2,a3,a4) -> d :: a1, r :: a2, typ :: a3, - DeclareDef.Recthm.{ name; typ; impargs; args = [] } :: a4 + Declare.Recthm.{ name; typ; impargs; args = [] } :: a4 ) defs first.prg_deps ([],[],[],[]) in let fixkind = Option.get first.prg_fixkind in @@ -459,14 +446,13 @@ let declare_mutual_definition l = (* Declare the recursive definitions *) let udecl = UState.default_univ_decl in let kns = - DeclareDef.declare_mutually_recursive ~scope ~opaque ~kind + Declare.declare_mutually_recursive ~scope ~opaque ~kind ~udecl ~ntns ~uctx:first.prg_ctx ~rec_declaration ~possible_indexes ~poly ~restrict_ucontext:false fixitems in (* Only for the first constant *) - let fix_exn = Hook.get get_fix_exn () in let dref = List.hd kns in - DeclareDef.Hook.(call ?hook:first.prg_hook ~fix_exn { S.uctx = first.prg_ctx; obls; scope; dref }); + Declare.Hook.(call ?hook:first.prg_hook { S.uctx = first.prg_ctx; obls; scope; dref }); List.iter progmap_remove l; dref @@ -529,10 +515,6 @@ let obligation_terminator entries uctx { name; num; auto } = Inductiveops.control_only_guard (Global.env ()) sigma (EConstr.of_constr body); (* Declare the obligation ourselves and drop the hook *) let prg = CEphemeron.get (ProgMap.find name !from_prg) in - (* Ensure universes are substituted properly in body and type *) - let body = EConstr.to_constr sigma (EConstr.of_constr body) in - let ty = Option.map (fun x -> EConstr.to_constr sigma (EConstr.of_constr x)) ty in - let ctx = Evd.evar_universe_context sigma in let { obls; remaining=rem } = prg.prg_obligations in let obl = obls.(num) in let status = @@ -545,24 +527,24 @@ let obligation_terminator entries uctx { name; num; auto } = | (_, status), false -> status in let obl = { obl with obl_status = false, status } in - let ctx = - if prg.prg_poly then ctx - else UState.union prg.prg_ctx ctx + let uctx = + if prg.prg_poly then uctx + else UState.union prg.prg_ctx uctx in - let uctx = UState.univ_entry ~poly:prg.prg_poly ctx in - let (defined, obl) = declare_obligation prg obl body ty uctx in + let univs = UState.univ_entry ~poly:prg.prg_poly uctx in + let (defined, obl) = declare_obligation prg obl body ty univs in let prg_ctx = if prg.prg_poly then (* Polymorphic *) (* We merge the new universes and constraints of the polymorphic obligation with the existing ones *) - UState.union prg.prg_ctx ctx + UState.union prg.prg_ctx uctx else (* The first obligation, if defined, declares the univs of the constant, each subsequent obligation declares its own additional universes and constraints if any *) if defined then UState.make ~lbound:(Global.universes_lbound ()) (Global.universes ()) - else ctx + else uctx in update_program_decl_on_defined prg obls num obl ~uctx:prg_ctx rem ~auto | _ -> @@ -574,7 +556,7 @@ let obligation_terminator entries uctx { name; num; auto } = (* Similar to the terminator but for interactive paths, as the terminator is only called in interactive proof mode *) -let obligation_hook prg obl num auto { DeclareDef.Hook.S.uctx = ctx'; dref; _ } = +let obligation_hook prg obl num auto { Declare.Hook.S.uctx = ctx'; dref; _ } = let { obls; remaining=rem } = prg.prg_obligations in let cst = match dref with GlobRef.ConstRef cst -> cst | _ -> assert false in let transparent = evaluable_constant cst (Global.env ()) in diff --git a/vernac/declareObl.mli b/vernac/declareObl.mli index 16c0413caf..03f0a57bcb 100644 --- a/vernac/declareObl.mli +++ b/vernac/declareObl.mli @@ -52,22 +52,22 @@ module ProgramDecl : sig ; prg_implicits : Impargs.manual_implicits ; prg_notations : Vernacexpr.decl_notation list ; prg_poly : bool - ; prg_scope : DeclareDef.locality + ; prg_scope : Declare.locality ; prg_kind : Decls.definition_object_kind ; prg_reduce : constr -> constr - ; prg_hook : DeclareDef.Hook.t option + ; prg_hook : Declare.Hook.t option ; prg_opaque : bool } val make : ?opaque:bool - -> ?hook:DeclareDef.Hook.t + -> ?hook:Declare.Hook.t -> Names.Id.t -> udecl:UState.universe_decl -> uctx:UState.t -> impargs:Impargs.manual_implicits -> poly:bool - -> scope:DeclareDef.locality + -> scope:Declare.locality -> kind:Decls.definition_object_kind -> Constr.constr option -> Constr.types @@ -126,7 +126,7 @@ val obligation_hook -> Obligation.t -> Int.t -> (Names.Id.t option -> Int.Set.t -> 'a option -> 'b) - -> DeclareDef.Hook.S.t + -> Declare.Hook.S.t -> unit (** [obligation_hook] part 2 of saving an obligation, non-interactive mode *) diff --git a/vernac/declareUniv.ml b/vernac/declareUniv.ml index 300dfe6c35..1705915e70 100644 --- a/vernac/declareUniv.ml +++ b/vernac/declareUniv.ml @@ -10,6 +10,17 @@ open Names +(* object_kind , id *) +exception AlreadyDeclared of (string option * Id.t) + +let _ = CErrors.register_handler (function + | AlreadyDeclared (kind, id) -> + Some + Pp.(seq [ Pp.pr_opt_no_spc (fun s -> str s ++ spc ()) kind + ; Id.print id; str " already exists."]) + | _ -> + None) + type universe_source = | BoundUniv (* polymorphic universe, bound in a function (this will go away someday) *) | QualifiedUniv of Id.t (* global universe introduced by some global value *) @@ -19,7 +30,7 @@ type universe_name_decl = universe_source * (Id.t * Univ.Level.UGlobal.t) list let check_exists_universe sp = if Nametab.exists_universe sp then - raise (Declare.AlreadyDeclared (Some "Universe", Libnames.basename sp)) + raise (AlreadyDeclared (Some "Universe", Libnames.basename sp)) else () let qualify_univ i dp src id = @@ -56,7 +67,7 @@ let input_univ_names : universe_name_decl -> Libobject.obj = { (default_object "Global universe name state") with cache_function = cache_univ_names; load_function = load_univ_names; - open_function = open_univ_names; + open_function = simple_open open_univ_names; discharge_function = discharge_univ_names; subst_function = (fun (subst, a) -> (* Actually the name is generated once and for all. *) a); classify_function = (fun a -> Substitute a) } @@ -94,7 +105,7 @@ let do_universe ~poly l = in let src = if poly then BoundUniv else UnqualifiedUniv in let () = Lib.add_anonymous_leaf (input_univ_names (src, l)) in - Declare.declare_universe_context ~poly ctx + DeclareUctx.declare_universe_context ~poly ctx let do_constraint ~poly l = let open Univ in @@ -107,4 +118,4 @@ let do_constraint ~poly l = Constraint.empty l in let uctx = ContextSet.add_constraints constraints ContextSet.empty in - Declare.declare_universe_context ~poly uctx + DeclareUctx.declare_universe_context ~poly uctx diff --git a/vernac/declareUniv.mli b/vernac/declareUniv.mli index 51f3f5e0fb..e4d1d5dc65 100644 --- a/vernac/declareUniv.mli +++ b/vernac/declareUniv.mli @@ -10,6 +10,9 @@ open Names +(* object_kind , id *) +exception AlreadyDeclared of (string option * Id.t) + (** Global universe contexts, names and constraints *) val declare_univ_binders : GlobRef.t -> UnivNames.universe_binders -> unit diff --git a/vernac/declaremods.ml b/vernac/declaremods.ml index 4f527b73d0..50fa6052f6 100644 --- a/vernac/declaremods.ml +++ b/vernac/declaremods.ml @@ -81,6 +81,19 @@ module ModSubstObjs : let sobjs_no_functor (mbids,_) = List.is_empty mbids +let subst_filtered sub (f,mp) = + let f = match f with + | Unfiltered -> Unfiltered + | Names ns -> + let module NSet = Globnames.ExtRefSet in + let ns = + NSet.fold (fun n ns -> NSet.add (Globnames.subst_extended_reference sub n) ns) + ns NSet.empty + in + Names ns + in + f, subst_mp sub mp + let rec subst_aobjs sub = function | Objs o as objs -> let o' = subst_objects sub o in @@ -109,7 +122,7 @@ and subst_objects subst seg = let aobjs' = subst_aobjs subst aobjs in if aobjs' == aobjs then node else (id, IncludeObject aobjs') | ExportObject { mpl } -> - let mpl' = List.map (subst_mp subst) mpl in + let mpl' = List.Smart.map (subst_filtered subst) mpl in if mpl'==mpl then node else (id, ExportObject { mpl = mpl' }) | KeepObject _ -> assert false in @@ -285,86 +298,103 @@ and load_keep i ((sp,kn),kobjs) = (** {6 Implementation of Import and Export commands} *) -let mark_object obj (exports,acc) = - (exports, obj::acc) +let mark_object f obj (exports,acc) = + (exports, (f,obj)::acc) -let rec collect_module_objects mp acc = +let rec collect_module_objects (f,mp) acc = (* May raise Not_found for unknown module and for functors *) let modobjs = ModObjs.get mp in let prefix = modobjs.module_prefix in - let acc = collect_objects 1 prefix modobjs.module_keep_objects acc in - collect_objects 1 prefix modobjs.module_substituted_objects acc + let acc = collect_objects f 1 prefix modobjs.module_keep_objects acc in + collect_objects f 1 prefix modobjs.module_substituted_objects acc -and collect_object i (name, obj as o) acc = +and collect_object f i (name, obj as o) acc = match obj with - | ExportObject { mpl; _ } -> collect_export i mpl acc + | ExportObject { mpl } -> collect_export f i mpl acc | AtomicObject _ | IncludeObject _ | KeepObject _ - | ModuleObject _ | ModuleTypeObject _ -> mark_object o acc + | ModuleObject _ | ModuleTypeObject _ -> mark_object f o acc + +and collect_objects f i prefix objs acc = + List.fold_right (fun (id, obj) acc -> collect_object f i (Lib.make_oname prefix id, obj) acc) objs acc + +and collect_one_export f (f',mp) (exports,objs as acc) = + match filter_and f f' with + | None -> acc + | Some f -> + let exports' = MPmap.update mp (function + | None -> Some f + | Some f0 -> Some (filter_or f f0)) + exports + in + (* If the map doesn't change there is nothing new to export. -and collect_objects i prefix objs acc = - List.fold_right (fun (id, obj) acc -> collect_object i (Lib.make_oname prefix id, obj) acc) objs acc + It's possible that [filter_and] or [filter_or] mangled precise + filters such that we repeat uselessly, but the important + [Unfiltered] case is handled correctly. + *) + if exports == exports' then acc + else + collect_module_objects (f,mp) (exports', objs) -and collect_one_export mp (exports,objs as acc) = - if not (MPset.mem mp exports) then - collect_module_objects mp (MPset.add mp exports, objs) - else acc -and collect_export i mpl acc = +and collect_export f i mpl acc = if Int.equal i 1 then - List.fold_right collect_one_export mpl acc + List.fold_right (collect_one_export f) mpl acc else acc -let rec open_object i (name, obj) = +let open_modtype i ((sp,kn),_) = + let mp = mp_of_kn kn in + let mp' = + try Nametab.locate_modtype (qualid_of_path sp) + with Not_found -> + anomaly (pr_path sp ++ str " should already exist!"); + in + assert (ModPath.equal mp mp'); + Nametab.push_modtype (Nametab.Exactly i) sp mp + +let rec open_object f i (name, obj) = match obj with - | AtomicObject o -> Libobject.open_object i (name, o) + | AtomicObject o -> Libobject.open_object f i (name, o) | ModuleObject sobjs -> let dir = dir_of_sp (fst name) in let mp = mp_of_kn (snd name) in - open_module i dir mp sobjs + open_module f i dir mp sobjs | ModuleTypeObject sobjs -> open_modtype i (name, sobjs) - | IncludeObject aobjs -> open_include i (name, aobjs) - | ExportObject { mpl; _ } -> open_export i mpl - | KeepObject objs -> open_keep i (name, objs) + | IncludeObject aobjs -> open_include f i (name, aobjs) + | ExportObject { mpl } -> open_export f i mpl + | KeepObject objs -> open_keep f i (name, objs) -and open_module i obj_dir obj_mp sobjs = +and open_module f i obj_dir obj_mp sobjs = let prefix = Nametab.{ obj_dir ; obj_mp; } in let dirinfo = Nametab.GlobDirRef.DirModule prefix in consistency_checks true obj_dir dirinfo; - Nametab.push_dir (Nametab.Exactly i) obj_dir dirinfo; + (match f with + | Unfiltered -> Nametab.push_dir (Nametab.Exactly i) obj_dir dirinfo + | Names _ -> ()); (* If we're not a functor, let's iter on the internal components *) if sobjs_no_functor sobjs then begin let modobjs = ModObjs.get obj_mp in - open_objects (i+1) modobjs.module_prefix modobjs.module_substituted_objects + open_objects f (i+1) modobjs.module_prefix modobjs.module_substituted_objects end -and open_objects i prefix objs = - List.iter (fun (id, obj) -> open_object i (Lib.make_oname prefix id, obj)) objs - -and open_modtype i ((sp,kn),_) = - let mp = mp_of_kn kn in - let mp' = - try Nametab.locate_modtype (qualid_of_path sp) - with Not_found -> - anomaly (pr_path sp ++ str " should already exist!"); - in - assert (ModPath.equal mp mp'); - Nametab.push_modtype (Nametab.Exactly i) sp mp +and open_objects f i prefix objs = + List.iter (fun (id, obj) -> open_object f i (Lib.make_oname prefix id, obj)) objs -and open_include i ((sp,kn), aobjs) = +and open_include f i ((sp,kn), aobjs) = let obj_dir = Libnames.dirpath sp in let obj_mp = KerName.modpath kn in let prefix = Nametab.{ obj_dir; obj_mp; } in let o = expand_aobjs aobjs in - open_objects i prefix o + open_objects f i prefix o -and open_export i mpl = - let _,objs = collect_export i mpl (MPset.empty, []) in - List.iter (open_object 1) objs +and open_export f i mpl = + let _,objs = collect_export f i mpl (MPmap.empty, []) in + List.iter (fun (f,o) -> open_object f 1 o) objs -and open_keep i ((sp,kn),kobjs) = +and open_keep f i ((sp,kn),kobjs) = let obj_dir = dir_of_sp sp and obj_mp = mp_of_kn kn in let prefix = Nametab.{ obj_dir; obj_mp; } in - open_objects i prefix kobjs + open_objects f i prefix kobjs let rec cache_object (name, obj) = match obj with @@ -383,7 +413,7 @@ and cache_include ((sp,kn), aobjs) = let prefix = Nametab.{ obj_dir; obj_mp; } in let o = expand_aobjs aobjs in load_objects 1 prefix o; - open_objects 1 prefix o + open_objects Unfiltered 1 prefix o and cache_keep ((sp,kn),kobjs) = anomaly (Pp.str "This module should not be cached!") @@ -621,26 +651,28 @@ let mk_params_entry args = let mk_funct_type env args seb0 = List.fold_left - (fun seb (arg_id,arg_t,arg_inl) -> + (fun (seb,cst) (arg_id,arg_t,arg_inl) -> let mp = MPbound arg_id in - let arg_t = Mod_typing.translate_modtype env mp arg_inl ([],arg_t) in - MoreFunctor(arg_id,arg_t,seb)) + let arg_t, cst' = Mod_typing.translate_modtype env mp arg_inl ([],arg_t) in + MoreFunctor(arg_id,arg_t,seb), Univ.Constraint.union cst cst') seb0 args (** Prepare the module type list for check of subtypes *) let build_subtypes env mp args mtys = - let (cst, ans) = List.fold_left_map - (fun cst (m,ann) -> + let (ctx, ans) = List.fold_left_map + (fun ctx (m,ann) -> let inl = inl2intopt ann in - let mte, _, cst' = Modintern.interp_module_ast env Modintern.ModType m in - let env = Environ.push_context_set ~strict:true cst' env in - let cst = Univ.ContextSet.union cst cst' in - let mtb = Mod_typing.translate_modtype env mp inl ([],mte) in - cst, { mtb with mod_type = mk_funct_type env args mtb.mod_type }) + let mte, _, ctx' = Modintern.interp_module_ast env Modintern.ModType m in + let env = Environ.push_context_set ~strict:true ctx' env in + let ctx = Univ.ContextSet.union ctx ctx' in + let mtb, cst = Mod_typing.translate_modtype env mp inl ([],mte) in + let mod_type, cst = mk_funct_type env args (mtb.mod_type,cst) in + let ctx = Univ.ContextSet.add_constraints cst ctx in + ctx, { mtb with mod_type }) Univ.ContextSet.empty mtys in - (ans, cst) + (ans, ctx) (** {6 Current module information} @@ -673,23 +705,23 @@ module RawModOps = struct let start_module export id args res fs = let mp = Global.start_module id in - let arg_entries_r, cst = intern_args args in - let () = Global.push_context_set ~strict:true cst in + let arg_entries_r, ctx = intern_args args in + let () = Global.push_context_set ~strict:true ctx in let env = Global.env () in - let res_entry_o, subtyps, cst = match res with + let res_entry_o, subtyps, ctx = match res with | Enforce (res,ann) -> let inl = inl2intopt ann in - let (mte, _, cst) = Modintern.interp_module_ast env Modintern.ModType res in - let env = Environ.push_context_set ~strict:true cst env in + let (mte, _, ctx) = Modintern.interp_module_ast env Modintern.ModType res in + let env = Environ.push_context_set ~strict:true ctx env in (* We check immediately that mte is well-formed *) - let _, _, _, cst' = Mod_typing.translate_mse env None inl mte in - let cst = Univ.ContextSet.union cst cst' in - Some (mte, inl), [], cst + let _, _, _, cst = Mod_typing.translate_mse env None inl mte in + let ctx = Univ.ContextSet.add_constraints cst ctx in + Some (mte, inl), [], ctx | Check resl -> - let typs, cst = build_subtypes env mp arg_entries_r resl in - None, typs, cst + let typs, ctx = build_subtypes env mp arg_entries_r resl in + None, typs, ctx in - let () = Global.push_context_set ~strict:true cst in + let () = Global.push_context_set ~strict:true ctx in openmod_info := { cur_typ = res_entry_o; cur_typs = subtyps }; let prefix = Lib.start_module export id mp fs in Nametab.(push_dir (Until 1) (prefix.obj_dir) (GlobDirRef.DirOpenModule prefix)); @@ -733,37 +765,38 @@ let end_module () = mp +(* TODO cleanup push universes directly to global env *) let declare_module id args res mexpr_o fs = (* We simulate the beginning of an interactive module, then we adds the module parameters to the global env. *) let mp = Global.start_module id in - let arg_entries_r, cst = intern_args args in + let arg_entries_r, ctx = intern_args args in let params = mk_params_entry arg_entries_r in let env = Global.env () in - let env = Environ.push_context_set ~strict:true cst env in - let mty_entry_o, subs, inl_res, cst' = match res with + let env = Environ.push_context_set ~strict:true ctx env in + let mty_entry_o, subs, inl_res, ctx' = match res with | Enforce (mty,ann) -> let inl = inl2intopt ann in - let (mte, _, cst) = Modintern.interp_module_ast env Modintern.ModType mty in - let env = Environ.push_context_set ~strict:true cst env in + let (mte, _, ctx) = Modintern.interp_module_ast env Modintern.ModType mty in + let env = Environ.push_context_set ~strict:true ctx env in (* We check immediately that mte is well-formed *) - let _, _, _, cst' = Mod_typing.translate_mse env None inl mte in - let cst = Univ.ContextSet.union cst cst' in - Some mte, [], inl, cst + let _, _, _, cst = Mod_typing.translate_mse env None inl mte in + let ctx = Univ.ContextSet.add_constraints cst ctx in + Some mte, [], inl, ctx | Check mtys -> - let typs, cst = build_subtypes env mp arg_entries_r mtys in - None, typs, default_inline (), cst + let typs, ctx = build_subtypes env mp arg_entries_r mtys in + None, typs, default_inline (), ctx in - let env = Environ.push_context_set ~strict:true cst' env in - let cst = Univ.ContextSet.union cst cst' in - let mexpr_entry_o, inl_expr, cst' = match mexpr_o with + let env = Environ.push_context_set ~strict:true ctx' env in + let ctx = Univ.ContextSet.union ctx ctx' in + let mexpr_entry_o, inl_expr, ctx' = match mexpr_o with | None -> None, default_inline (), Univ.ContextSet.empty | Some (mexpr,ann) -> - let (mte, _, cst) = Modintern.interp_module_ast env Modintern.Module mexpr in - Some mte, inl2intopt ann, cst + let (mte, _, ctx) = Modintern.interp_module_ast env Modintern.Module mexpr in + Some mte, inl2intopt ann, ctx in - let env = Environ.push_context_set ~strict:true cst' env in - let cst = Univ.ContextSet.union cst cst' in + let env = Environ.push_context_set ~strict:true ctx' env in + let ctx = Univ.ContextSet.union ctx ctx' in let entry = match mexpr_entry_o, mty_entry_o with | None, None -> assert false (* No body, no type ... *) | None, Some typ -> MType (params, typ) @@ -782,7 +815,7 @@ let declare_module id args res mexpr_o fs = | None -> None | _ -> inl_res in - let () = Global.push_context_set ~strict:true cst in + let () = Global.push_context_set ~strict:true ctx in let mp_env,resolver = Global.add_module id entry inl in (* Name consistency check : kernel vs. library *) @@ -834,20 +867,20 @@ let declare_modtype id args mtys (mty,ann) fs = (* We simulate the beginning of an interactive module, then we adds the module parameters to the global env. *) let mp = Global.start_modtype id in - let arg_entries_r, cst = intern_args args in - let () = Global.push_context_set ~strict:true cst in + let arg_entries_r, ctx = intern_args args in + let () = Global.push_context_set ~strict:true ctx in let params = mk_params_entry arg_entries_r in let env = Global.env () in - let mte, _, cst = Modintern.interp_module_ast env Modintern.ModType mty in - let () = Global.push_context_set ~strict:true cst in + let mte, _, ctx = Modintern.interp_module_ast env Modintern.ModType mty in + let () = Global.push_context_set ~strict:true ctx in let env = Global.env () in (* We check immediately that mte is well-formed *) let _, _, _, cst = Mod_typing.translate_mse env None inl mte in - let () = Global.push_context_set ~strict:true cst in + let () = Global.push_context_set ~strict:true (Univ.LSet.empty,cst) in let env = Global.env () in let entry = params, mte in - let sub_mty_l, cst = build_subtypes env mp arg_entries_r mtys in - let () = Global.push_context_set ~strict:true cst in + let sub_mty_l, ctx = build_subtypes env mp arg_entries_r mtys in + let () = Global.push_context_set ~strict:true ctx in let env = Global.env () in let sobjs = get_functor_sobjs false env inl entry in let subst = map_mp (get_module_path (snd entry)) mp empty_delta_resolver in @@ -1023,12 +1056,12 @@ let end_library ?except ~output_native_objects dir = cenv,(substitute,keep),ast let import_modules ~export mpl = - let _,objs = List.fold_right collect_module_objects mpl (MPset.empty, []) in - List.iter (open_object 1) objs; + let _,objs = List.fold_right collect_module_objects mpl (MPmap.empty, []) in + List.iter (fun (f,o) -> open_object f 1 o) objs; if export then Lib.add_anonymous_entry (Lib.Leaf (ExportObject { mpl })) -let import_module ~export mp = - import_modules ~export [mp] +let import_module f ~export mp = + import_modules ~export [f,mp] (** {6 Iterators} *) @@ -1073,6 +1106,6 @@ let debug_print_modtab _ = let mod_ops = { - Printmod.import_module = import_module; + Printmod.import_module = import_module Unfiltered; process_module_binding = process_module_binding; } diff --git a/vernac/declaremods.mli b/vernac/declaremods.mli index e37299aad6..5e45957e83 100644 --- a/vernac/declaremods.mli +++ b/vernac/declaremods.mli @@ -97,11 +97,11 @@ val append_end_library_hook : (unit -> unit) -> unit or when [mp] corresponds to a functor. If [export] is [true], the module is also opened every time the module containing it is. *) -val import_module : export:bool -> ModPath.t -> unit +val import_module : Libobject.open_filter -> export:bool -> ModPath.t -> unit (** Same as [import_module] but for multiple modules, and more optimized than iterating [import_module]. *) -val import_modules : export:bool -> ModPath.t list -> unit +val import_modules : export:bool -> (Libobject.open_filter * ModPath.t) list -> unit (** Include *) diff --git a/vernac/g_proofs.mlg b/vernac/g_proofs.mlg index 247f80181a..058fa691ee 100644 --- a/vernac/g_proofs.mlg +++ b/vernac/g_proofs.mlg @@ -14,7 +14,6 @@ open Glob_term open Constrexpr open Vernacexpr open Hints -open Proof_global open Pcoq open Pcoq.Prim @@ -65,12 +64,12 @@ GRAMMAR EXTEND Gram | IDENT "Existential"; n = natural; c = constr_body -> { VernacSolveExistential (n,c) } | IDENT "Admitted" -> { VernacEndProof Admitted } - | IDENT "Qed" -> { VernacEndProof (Proved (Opaque,None)) } + | IDENT "Qed" -> { VernacEndProof (Proved (Declare.Opaque,None)) } | IDENT "Save"; id = identref -> - { VernacEndProof (Proved (Opaque, Some id)) } - | IDENT "Defined" -> { VernacEndProof (Proved (Transparent,None)) } + { VernacEndProof (Proved (Declare.Opaque, Some id)) } + | IDENT "Defined" -> { VernacEndProof (Proved (Declare.Transparent,None)) } | IDENT "Defined"; id=identref -> - { VernacEndProof (Proved (Transparent,Some id)) } + { VernacEndProof (Proved (Declare.Transparent,Some id)) } | IDENT "Restart" -> { VernacRestart } | IDENT "Undo" -> { VernacUndo 1 } | IDENT "Undo"; n = natural -> { VernacUndo n } diff --git a/vernac/g_vernac.mlg b/vernac/g_vernac.mlg index a8f1a49086..3cb10364b5 100644 --- a/vernac/g_vernac.mlg +++ b/vernac/g_vernac.mlg @@ -68,6 +68,11 @@ let make_bullet s = let add_control_flag ~loc ~flag { CAst.v = cmd } = CAst.make ~loc { cmd with control = flag :: cmd.control } +let test_hash_ident = + let open Pcoq.Lookahead in + to_entry "test_hash_ident" begin + lk_kw "#" >> lk_ident >> check_no_space + end } GRAMMAR EXTEND Gram @@ -199,8 +204,8 @@ GRAMMAR EXTEND Gram VernacAssumption (stre, nl, bl) } | d = def_token; id = ident_decl; b = def_body -> { VernacDefinition (d, name_of_ident_decl id, b) } - | IDENT "Let"; id = identref; b = def_body -> - { VernacDefinition ((DoDischarge, Let), (lname_of_lident id, None), b) } + | IDENT "Let"; id = ident_decl; b = def_body -> + { VernacDefinition ((DoDischarge, Let), name_of_ident_decl id, b) } (* Gallina inductive declarations *) | f = finite_token; indl = LIST1 inductive_definition SEP "with" -> { VernacInductive (f, indl) } @@ -226,63 +231,9 @@ GRAMMAR EXTEND Gram | IDENT "Constraint"; l = LIST1 univ_constraint SEP "," -> { VernacConstraint l } ] ] ; - - register_token: - [ [ r = register_prim_token -> { CPrimitives.OT_op r } - | r = register_type_token -> { CPrimitives.OT_type r } ] ] - ; - - register_type_token: - [ [ "#int63_type" -> { CPrimitives.PT_int63 } - | "#float64_type" -> { CPrimitives.PT_float64 } ] ] - ; - - register_prim_token: - [ [ "#int63_head0" -> { CPrimitives.Int63head0 } - | "#int63_tail0" -> { CPrimitives.Int63tail0 } - | "#int63_add" -> { CPrimitives.Int63add } - | "#int63_sub" -> { CPrimitives.Int63sub } - | "#int63_mul" -> { CPrimitives.Int63mul } - | "#int63_div" -> { CPrimitives.Int63div } - | "#int63_mod" -> { CPrimitives.Int63mod } - | "#int63_lsr" -> { CPrimitives.Int63lsr } - | "#int63_lsl" -> { CPrimitives.Int63lsl } - | "#int63_land" -> { CPrimitives.Int63land } - | "#int63_lor" -> { CPrimitives.Int63lor } - | "#int63_lxor" -> { CPrimitives.Int63lxor } - | "#int63_addc" -> { CPrimitives.Int63addc } - | "#int63_subc" -> { CPrimitives.Int63subc } - | "#int63_addcarryc" -> { CPrimitives.Int63addCarryC } - | "#int63_subcarryc" -> { CPrimitives.Int63subCarryC } - | "#int63_mulc" -> { CPrimitives.Int63mulc } - | "#int63_diveucl" -> { CPrimitives.Int63diveucl } - | "#int63_div21" -> { CPrimitives.Int63div21 } - | "#int63_addmuldiv" -> { CPrimitives.Int63addMulDiv } - | "#int63_eq" -> { CPrimitives.Int63eq } - | "#int63_lt" -> { CPrimitives.Int63lt } - | "#int63_le" -> { CPrimitives.Int63le } - | "#int63_compare" -> { CPrimitives.Int63compare } - | "#float64_opp" -> { CPrimitives.Float64opp } - | "#float64_abs" -> { CPrimitives.Float64abs } - | "#float64_eq" -> { CPrimitives.Float64eq } - | "#float64_lt" -> { CPrimitives.Float64lt } - | "#float64_le" -> { CPrimitives.Float64le } - | "#float64_compare" -> { CPrimitives.Float64compare } - | "#float64_classify" -> { CPrimitives.Float64classify } - | "#float64_add" -> { CPrimitives.Float64add } - | "#float64_sub" -> { CPrimitives.Float64sub } - | "#float64_mul" -> { CPrimitives.Float64mul } - | "#float64_div" -> { CPrimitives.Float64div } - | "#float64_sqrt" -> { CPrimitives.Float64sqrt } - | "#float64_of_int63" -> { CPrimitives.Float64ofInt63 } - | "#float64_normfr_mantissa" -> { CPrimitives.Float64normfr_mantissa } - | "#float64_frshiftexp" -> { CPrimitives.Float64frshiftexp } - | "#float64_ldshiftexp" -> { CPrimitives.Float64ldshiftexp } - | "#float64_next_up" -> { CPrimitives.Float64next_up } - | "#float64_next_down" -> { CPrimitives.Float64next_down } - ] ] - ; - + register_token: + [ [ test_hash_ident; "#"; r = IDENT -> { CPrimitives.parse_op_or_type ~loc r } ] ] + ; thm_token: [ [ "Theorem" -> { Theorem } | IDENT "Lemma" -> { Lemma } @@ -348,25 +299,11 @@ GRAMMAR EXTEND Gram (* Simple definitions *) def_body: [ [ bl = binders; ":="; red = reduce; c = lconstr -> - { if List.exists (function CLocalPattern _ -> true | _ -> false) bl - then - (* FIXME: "red" will be applied to types in bl and Cast with remain *) - let c = mkLambdaCN ~loc bl c in - DefineBody ([], red, c, None) - else - (match c with - | { CAst.v = CCast(c, CastConv t) } -> DefineBody (bl, red, c, Some t) - | _ -> DefineBody (bl, red, c, None)) } + { match c.CAst.v with + | CCast(c, Glob_term.CastConv t) -> DefineBody (bl, red, c, Some t) + | _ -> DefineBody (bl, red, c, None) } | bl = binders; ":"; t = lconstr; ":="; red = reduce; c = lconstr -> - { let ((bl, c), tyo) = - if List.exists (function CLocalPattern _ -> true | _ -> false) bl - then - (* FIXME: "red" will be applied to types in bl and Cast with remain *) - let c = CAst.make ~loc @@ CCast (c, CastConv t) in - (([],mkLambdaCN ~loc bl c), None) - else ((bl, c), Some t) - in - DefineBody (bl, red, c, tyo) } + { DefineBody (bl, red, c, Some t) } | bl = binders; ":"; t = lconstr -> { ProveBody (bl, t) } ] ] ; @@ -566,7 +503,6 @@ GRAMMAR EXTEND Gram { VernacDeclareModule (export, id, bl, mty) } (* Section beginning *) | IDENT "Section"; id = identref -> { VernacBeginSection id } - | IDENT "Chapter"; id = identref -> { VernacBeginSection id } (* This end a Section a Module or a Module Type *) | IDENT "End"; id = identref -> { VernacEndSegment id } @@ -581,14 +517,21 @@ GRAMMAR EXTEND Gram | IDENT "From" ; ns = global ; IDENT "Require"; export = export_token ; qidl = LIST1 global -> { VernacRequire (Some ns, export, qidl) } - | IDENT "Import"; qidl = LIST1 global -> { VernacImport (false,qidl) } - | IDENT "Export"; qidl = LIST1 global -> { VernacImport (true,qidl) } + | IDENT "Import"; qidl = LIST1 filtered_import -> { VernacImport (false,qidl) } + | IDENT "Export"; qidl = LIST1 filtered_import -> { VernacImport (true,qidl) } | IDENT "Include"; e = module_type_inl; l = LIST0 ext_module_expr -> { VernacInclude(e::l) } | IDENT "Include"; "Type"; e = module_type_inl; l = LIST0 ext_module_type -> { warn_deprecated_include_type ~loc (); VernacInclude(e::l) } ] ] ; + filtered_import: + [ [ m = global -> { (m, ImportAll) } + | m = global; "("; ns = LIST1 one_import_filter_name SEP ","; ")" -> { (m, ImportNames ns) } ] ] + ; + one_import_filter_name: + [ [ n = global; etc = OPT [ "("; ".."; ")" -> { () } ] -> { n, Option.has_some etc } ] ] + ; export_token: [ [ IDENT "Import" -> { Some false } | IDENT "Export" -> { Some true } @@ -709,17 +652,17 @@ GRAMMAR EXTEND Gram | IDENT "Canonical"; OPT [ IDENT "Structure" -> {()} ]; qid = global; ud = OPT [ u = OPT univ_decl; d = def_body -> { (u,d) } ] -> { match ud with | None -> - VernacCanonical CAst.(make ~loc @@ AN qid) + VernacCanonical CAst.(make ?loc:qid.CAst.loc @@ AN qid) | Some (u,d) -> let s = coerce_reference_to_id qid in - VernacDefinition ((NoDischarge,CanonicalStructure),((CAst.make (Name s)),u),d) } + VernacDefinition ((NoDischarge,CanonicalStructure),((CAst.make ?loc:qid.CAst.loc (Name s)),u),d) } | IDENT "Canonical"; OPT [ IDENT "Structure" -> {()} ]; ntn = by_notation -> { VernacCanonical CAst.(make ~loc @@ ByNotation ntn) } (* Coercions *) | IDENT "Coercion"; qid = global; u = OPT univ_decl; d = def_body -> { let s = coerce_reference_to_id qid in - VernacDefinition ((NoDischarge,Coercion),((CAst.make (Name s)),u),d) } + VernacDefinition ((NoDischarge,Coercion),((CAst.make ?loc:qid.CAst.loc (Name s)),u),d) } | IDENT "Identity"; IDENT "Coercion"; f = identref; ":"; s = class_rawexpr; ">->"; t = class_rawexpr -> { VernacIdentityCoercion (f, s, t) } @@ -946,23 +889,23 @@ GRAMMAR EXTEND Gram | IDENT "Print"; IDENT "Table"; table = option_table -> { VernacPrintOption table } - | IDENT "Add"; table = IDENT; field = IDENT; v = LIST1 option_ref_value + | IDENT "Add"; table = IDENT; field = IDENT; v = LIST1 table_value -> { VernacAddOption ([table;field], v) } (* A global value below will be hidden by a field above! *) (* In fact, we give priority to secondary tables *) (* No syntax for tertiary tables due to conflict *) (* (but they are unused anyway) *) - | IDENT "Add"; table = IDENT; v = LIST1 option_ref_value -> + | IDENT "Add"; table = IDENT; v = LIST1 table_value -> { VernacAddOption ([table], v) } - | IDENT "Test"; table = option_table; "for"; v = LIST1 option_ref_value + | IDENT "Test"; table = option_table; "for"; v = LIST1 table_value -> { VernacMemOption (table, v) } | IDENT "Test"; table = option_table -> { VernacPrintOption table } - | IDENT "Remove"; table = IDENT; field = IDENT; v= LIST1 option_ref_value + | IDENT "Remove"; table = IDENT; field = IDENT; v= LIST1 table_value -> { VernacRemoveOption ([table;field], v) } - | IDENT "Remove"; table = IDENT; v = LIST1 option_ref_value -> + | IDENT "Remove"; table = IDENT; v = LIST1 table_value -> { VernacRemoveOption ([table], v) } ]] ; query_command: (* TODO: rapprocher Eval et Check *) @@ -1055,9 +998,9 @@ GRAMMAR EXTEND Gram | n = integer -> { OptionSetInt n } | s = STRING -> { OptionSetString s } ] ] ; - option_ref_value: - [ [ id = global -> { QualidRefValue id } - | s = STRING -> { StringRefValue s } ] ] + table_value: + [ [ id = global -> { Goptions.QualidRefValue id } + | s = STRING -> { Goptions.StringRefValue s } ] ] ; option_table: [ [ fl = LIST1 [ x = IDENT -> { x } ] -> { fl } ]] diff --git a/vernac/himsg.ml b/vernac/himsg.ml index 5555a2c68e..41f2ab9c63 100644 --- a/vernac/himsg.ml +++ b/vernac/himsg.ml @@ -57,16 +57,16 @@ let contract3 env sigma a b c = match contract env sigma [a;b;c] with let contract4 env sigma a b c d = match contract env sigma [a;b;c;d] with | env, [a;b;c;d] -> (env,a,b,c),d | _ -> assert false -let contract1_vect env sigma a v = - match contract env sigma (a :: Array.to_list v) with - | env, a::l -> env,a,Array.of_list l +let contract1 env sigma a v = + match contract env sigma (a :: v) with + | env, a::l -> env,a,l | _ -> assert false let rec contract3' env sigma a b c = function | OccurCheck (evk,d) -> let x,d = contract4 env sigma a b c d in x,OccurCheck(evk, d) | NotClean ((evk,args),env',d) -> - let env',d,args = contract1_vect env' sigma d args in + let env',d,args = contract1 env' sigma d args in contract3 env sigma a b c,NotClean((evk,args),env',d) | ConversionFailed (env',t1,t2) -> let (env',t1,t2) = contract2 env' sigma t1 t2 in @@ -299,9 +299,9 @@ let explain_unification_error env sigma p1 p2 = function [str "cannot instantiate " ++ quote (pr_existential_key sigma evk) ++ strbrk " because " ++ pr_leconstr_env env sigma c ++ strbrk " is not in its scope" ++ - (if Array.is_empty args then mt() else + (if List.is_empty args then mt() else strbrk ": available arguments are " ++ - pr_sequence (pr_leconstr_env env sigma) (List.rev (Array.to_list args)))] + pr_sequence (pr_leconstr_env env sigma) (List.rev args))] | NotSameArgSize | NotSameHead | NoCanonicalStructure -> (* Error speaks from itself *) [] | ConversionFailed (env,t1,t2) -> @@ -729,9 +729,9 @@ let explain_undeclared_universe env sigma l = spc () ++ str "(maybe a bugged tactic)." let explain_disallowed_sprop () = - Pp.(strbrk "SProp not allowed, you need to " - ++ str "Set Allow StrictProp" - ++ strbrk " or to use the -allow-sprop command-line-flag.") + Pp.(strbrk "SProp is disallowed because the " + ++ str "\"Allow StrictProp\"" + ++ strbrk " flag is off.") let explain_bad_relevance env = strbrk "Bad relevance (maybe a bugged tactic)." diff --git a/vernac/indschemes.ml b/vernac/indschemes.ml index 7260b13ff6..356ccef06b 100644 --- a/vernac/indschemes.ml +++ b/vernac/indschemes.ml @@ -91,12 +91,11 @@ let () = optwrite = (fun b -> rewriting_flag := b) } (* Util *) - let define ~poly name sigma c types = - let f = declare_constant ~kind:Decls.(IsDefinition Scheme) in let univs = Evd.univ_entry ~poly sigma in let entry = Declare.definition_entry ~univs ?types c in - let kn = f ~name (DefinitionEntry entry) in + let kind = Decls.(IsDefinition Scheme) in + let kn = declare_constant ~kind ~name (DefinitionEntry entry) in definition_message name; kn @@ -143,7 +142,7 @@ let try_declare_scheme what f internal names kn = | UndefinedCst s -> alarm what internal (strbrk "Required constant " ++ str s ++ str " undefined.") - | AlreadyDeclared (kind, id) as exn -> + | DeclareUniv.AlreadyDeclared (kind, id) as exn -> let msg = CErrors.print exn in alarm what internal msg | DecidabilityMutualNotSupported -> diff --git a/vernac/lemmas.ml b/vernac/lemmas.ml index e08d2ce117..838496c595 100644 --- a/vernac/lemmas.ml +++ b/vernac/lemmas.ml @@ -27,38 +27,34 @@ module Proof_ending = struct | Regular | End_obligation of DeclareObl.obligation_qed_info | End_derive of { f : Id.t; name : Id.t } - | End_equations of { hook : Constant.t list -> Evd.evar_map -> unit - ; i : Id.t - ; types : (Environ.env * Evar.t * Evd.evar_info * EConstr.named_context * Evd.econstr) list - ; wits : EConstr.t list ref - (* wits are actually computed by the proof - engine by side-effect after creating the - proof! This is due to the start_dependent_proof API *) - ; sigma : Evd.evar_map - } + | End_equations of + { hook : Constant.t list -> Evd.evar_map -> unit + ; i : Id.t + ; types : (Environ.env * Evar.t * Evd.evar_info * EConstr.named_context * Evd.econstr) list + ; sigma : Evd.evar_map + } end module Info = struct type t = - { hook : DeclareDef.Hook.t option - ; compute_guard : lemma_possible_guards - ; impargs : Impargs.manual_implicits + { hook : Declare.Hook.t option ; proof_ending : Proof_ending.t CEphemeron.key (* This could be improved and the CEphemeron removed *) - ; other_thms : DeclareDef.Recthm.t list - ; scope : DeclareDef.locality + ; scope : Declare.locality ; kind : Decls.logical_kind + (* thms and compute guard are specific only to start_lemma_with_initialization + regular terminator *) + ; thms : Declare.Recthm.t list + ; compute_guard : lemma_possible_guards } - let make ?hook ?(proof_ending=Proof_ending.Regular) ?(scope=DeclareDef.Global Declare.ImportDefaultBehavior) + let make ?hook ?(proof_ending=Proof_ending.Regular) ?(scope=Declare.Global Declare.ImportDefaultBehavior) ?(kind=Decls.(IsProof Lemma)) () = { hook ; compute_guard = [] - ; impargs = [] ; proof_ending = CEphemeron.create proof_ending - ; other_thms = [] + ; thms = [] ; scope ; kind } @@ -66,14 +62,14 @@ end (* Proofs with a save constant function *) type t = - { proof : Proof_global.t + { proof : Declare.Proof.t ; info : Info.t } let pf_map f pf = { pf with proof = f pf.proof } let pf_fold f pf = f pf.proof -let set_endline_tactic t = pf_map (Proof_global.set_endline_tactic t) +let set_endline_tactic t = pf_map (Declare.Proof.set_endline_tactic t) (* To be removed *) module Internal = struct @@ -85,7 +81,7 @@ module Internal = struct end let by tac pf = - let proof, res = Pfedit.by tac pf.proof in + let proof, res = Declare.by tac pf.proof in { pf with proof }, res (************************************************************************) @@ -100,27 +96,39 @@ let initialize_named_context_for_proof () = let d = if Decls.variable_opacity id then NamedDecl.drop_body d else d in Environ.push_named_context_val d signv) sign Environ.empty_named_context_val +let add_first_thm ~info ~name ~typ ~impargs = + let thms = + { Declare.Recthm.name + ; impargs + ; typ = EConstr.Unsafe.to_constr typ + ; args = [] } :: info.Info.thms + in + { info with Info.thms } + (* Starting a goal *) let start_lemma ~name ~poly ?(udecl=UState.default_univ_decl) - ?(info=Info.make ()) - sigma c = + ?(info=Info.make ()) ?(impargs=[]) sigma c = (* We remove the bodies of variables in the named context marked "opaque", this is a hack tho, see #10446 *) let sign = initialize_named_context_for_proof () in let goals = [ Global.env_of_context sign , c ] in - let proof = Proof_global.start_proof sigma ~name ~udecl ~poly goals in - { proof ; info } + let proof = Declare.start_proof sigma ~name ~udecl ~poly goals in + let info = add_first_thm ~info ~name ~typ:c ~impargs in + { proof; info } +(* Note that proofs opened by start_dependent lemma cannot be closed + by the regular terminators, thus we don't need to update the [thms] + field. We will capture this invariant by typing in the future *) let start_dependent_lemma ~name ~poly ?(udecl=UState.default_univ_decl) ?(info=Info.make ()) telescope = - let proof = Proof_global.start_dependent_proof ~name ~udecl ~poly telescope in + let proof = Declare.start_dependent_proof ~name ~udecl ~poly telescope in { proof; info } let rec_tac_initializer finite guard thms snl = if finite then - match List.map (fun { DeclareDef.Recthm.name; typ } -> name, (EConstr.of_constr typ)) thms with + match List.map (fun { Declare.Recthm.name; typ } -> name, (EConstr.of_constr typ)) thms with | (id,_)::l -> Tactics.mutual_cofix id l 0 | _ -> assert false else @@ -128,12 +136,12 @@ let rec_tac_initializer finite guard thms snl = let nl = match snl with | None -> List.map succ (List.map List.last guard) | Some nl -> nl - in match List.map2 (fun { DeclareDef.Recthm.name; typ } n -> (name, n, (EConstr.of_constr typ))) thms nl with + in match List.map2 (fun { Declare.Recthm.name; typ } n -> (name, n, (EConstr.of_constr typ))) thms nl with | (id,n,_)::l -> Tactics.mutual_fix id n l 0 | _ -> assert false let start_lemma_with_initialization ?hook ~poly ~scope ~kind ~udecl sigma recguard thms snl = - let intro_tac { DeclareDef.Recthm.args; _ } = Tactics.auto_intros_tac args in + let intro_tac { Declare.Recthm.args; _ } = Tactics.auto_intros_tac args in let init_tac, compute_guard = match recguard with | Some (finite,guard,init_terms) -> let rec_tac = rec_tac_initializer finite guard thms snl in @@ -153,18 +161,19 @@ let start_lemma_with_initialization ?hook ~poly ~scope ~kind ~udecl sigma recgua intro_tac (List.hd thms), [] in match thms with | [] -> CErrors.anomaly (Pp.str "No proof to start.") - | { DeclareDef.Recthm.name; typ; impargs; _}::other_thms -> + | { Declare.Recthm.name; typ; impargs; _} :: thms -> let info = Info.{ hook - ; impargs ; compute_guard - ; other_thms ; proof_ending = CEphemeron.create Proof_ending.Regular + ; thms ; scope ; kind } in - let lemma = start_lemma ~name ~poly ~udecl ~info sigma (EConstr.of_constr typ) in - pf_map (Proof_global.map_proof (fun p -> + (* start_lemma has the responsibility to add (name, impargs, typ) + to thms, once Info.t is more refined this won't be necessary *) + let lemma = start_lemma ~name ~impargs ~poly ~udecl ~info sigma (EConstr.of_constr typ) in + pf_map (Declare.Proof.map_proof (fun p -> pi1 @@ Proof.run_tactic Global.(env ()) init_tac p)) lemma (************************************************************************) @@ -179,39 +188,19 @@ module MutualEntry : sig val declare_variable : info:Info.t -> uctx:UState.t - (* Only for the first constant, introduced by compat *) - -> ubind:UnivNames.universe_binders - -> name:Id.t -> Entries.parameter_entry -> Names.GlobRef.t list val declare_mutdef (* Common to all recthms *) : info:Info.t - -> ?fix_exn:(Exninfo.iexn -> Exninfo.iexn) -> uctx:UState.t - -> ?hook_data:DeclareDef.Hook.t * UState.t * (Names.Id.t * Constr.t) list - (* Only for the first constant, introduced by compat *) - -> ubind:UnivNames.universe_binders - -> name:Id.t -> Evd.side_effects Declare.proof_entry -> Names.GlobRef.t list end = struct - (* Body with the fix *) - type et = - | NoBody of Entries.parameter_entry - | Single of Evd.side_effects Declare.proof_entry - | Mutual of Evd.side_effects Declare.proof_entry - - type t = - { entry : et - ; info : Info.t - } - - (* XXX: Refactor this with the code in - [ComFixpoint.declare_fixpoint_generic] *) + (* XXX: Refactor this with the code in [Declare.declare_mutdef] *) let guess_decreasing env possible_indexes ((body, ctx), eff) = let open Constr in match Constr.kind body with @@ -221,74 +210,55 @@ end = struct (mkFix ((indexes,0),fixdecls), ctx), eff | _ -> (body, ctx), eff - let adjust_guardness_conditions ~info const = - let entry = match info.Info.compute_guard with - | [] -> - (* Not a recursive statement *) - Single const - | possible_indexes -> - (* Try all combinations... not optimal *) - let env = Global.env() in - let pe = Declare.Internal.map_entry_body const - ~f:(guess_decreasing env possible_indexes) - in - Mutual pe - in { entry; info } - - let rec select_body i t = + let select_body i t = let open Constr in match Constr.kind t with | Fix ((nv,0),decls) -> mkFix ((nv,i),decls) | CoFix (0,decls) -> mkCoFix (i,decls) - | LetIn(na,t1,ty,t2) -> mkLetIn (na,t1,ty, select_body i t2) - | Lambda(na,ty,t) -> mkLambda(na,ty, select_body i t) - | App (t, args) -> mkApp (select_body i t, args) | _ -> CErrors.anomaly Pp.(str "Not a proof by induction: " ++ Termops.Internal.debug_print_constr (EConstr.of_constr t) ++ str ".") - let declare_mutdef ?fix_exn ~uctx ?hook_data ~ubind ~name ?typ ~impargs ~info mutpe i = - let { Info.hook; compute_guard; scope; kind; _ } = info in - match mutpe with - | NoBody pe -> - DeclareDef.declare_assumption ?fix_exn ~name ~scope ~hook ~impargs ~uctx pe - | Single pe -> - (* We'd like to do [assert (i = 0)] here, however this codepath - is used when declaring mutual cofixpoints *) - DeclareDef.declare_definition ~name ~scope ~kind ?hook_data ~ubind ~impargs pe - | Mutual pe -> - (* if typ = None , we don't touch the type; used in the base case *) - let pe = - match typ with - | None -> pe - | Some typ -> - Declare.Internal.map_entry_type pe ~f:(fun _ -> Some typ) - in - let pe = Declare.Internal.map_entry_body pe - ~f:(fun ((body, ctx), eff) -> (select_body i body, ctx), eff) in - DeclareDef.declare_definition ~name ~scope ~kind ?hook_data ~ubind ~impargs pe - - let declare_mutdef ?fix_exn ~uctx ?hook_data ~ubind ~name { entry; info } = - (* At some point make this a single iteration *) - (* At some point make this a single iteration *) - (* impargs here are special too, fixed in upcoming PRs *) - let impargs = info.Info.impargs in - let r = declare_mutdef ?fix_exn ~info ~ubind ?hook_data ~uctx ~name ~impargs entry 0 in - (* Before we used to do this, check if that's right *) - let ubind = UnivNames.empty_binders in - let rs = - List.map_i ( - fun i { DeclareDef.Recthm.name; typ; impargs } -> - declare_mutdef ?fix_exn ~name ~info ~ubind ?hook_data ~uctx ~typ ~impargs entry i) 1 info.Info.other_thms - in r :: rs - - let declare_variable ~info ~uctx ~ubind ~name pe = - declare_mutdef ~uctx ~ubind ~name { entry = NoBody pe; info } - - let declare_mutdef ~info ?fix_exn ~uctx ?hook_data ~ubind ~name const = - let mutpe = adjust_guardness_conditions ~info const in - declare_mutdef ?fix_exn ~uctx ?hook_data ~ubind ~name mutpe + let declare_mutdef ~uctx ~info pe i Declare.Recthm.{ name; impargs; typ; _} = + let { Info.hook; scope; kind; compute_guard; _ } = info in + (* if i = 0 , we don't touch the type; this is for compat + but not clear it is the right thing to do. + *) + let pe, ubind = + if i > 0 && not (CList.is_empty compute_guard) + then Declare.Internal.map_entry_type pe ~f:(fun _ -> Some typ), UnivNames.empty_binders + else pe, UState.universe_binders uctx + in + (* We when compute_guard was [] in the previous step we should not + substitute the body *) + let pe = match compute_guard with + | [] -> pe + | _ -> + Declare.Internal.map_entry_body pe + ~f:(fun ((body, ctx), eff) -> (select_body i body, ctx), eff) + in + Declare.declare_entry ~name ~scope ~kind ?hook ~impargs ~uctx pe + + let declare_mutdef ~info ~uctx const = + let pe = match info.Info.compute_guard with + | [] -> + (* Not a recursive statement *) + const + | possible_indexes -> + (* Try all combinations... not optimal *) + let env = Global.env() in + Declare.Internal.map_entry_body const + ~f:(guess_decreasing env possible_indexes) + in + List.map_i (declare_mutdef ~info ~uctx pe) 0 info.Info.thms + + let declare_variable ~info ~uctx pe = + let { Info.scope; hook } = info in + List.map_i ( + fun i { Declare.Recthm.name; typ; impargs } -> + Declare.declare_assumption ~name ~scope ~hook ~impargs ~uctx pe + ) 0 info.Info.thms end @@ -305,7 +275,7 @@ let get_keep_admitted_vars = let compute_proof_using_for_admitted proof typ pproofs = if not (get_keep_admitted_vars ()) then None - else match Proof_global.get_used_variables proof, pproofs with + else match Declare.Proof.get_used_variables proof, pproofs with | Some _ as x, _ -> x | None, pproof :: _ -> let env = Global.env () in @@ -316,64 +286,41 @@ let compute_proof_using_for_admitted proof typ pproofs = Some (Environ.really_needed env (Id.Set.union ids_typ ids_def)) | _ -> None -let finish_admitted ~name ~info ~uctx pe = - let ubind = UnivNames.empty_binders in - let _r : Names.GlobRef.t list = MutualEntry.declare_variable ~info ~uctx ~ubind ~name pe in +let finish_admitted ~info ~uctx pe = + let _r : Names.GlobRef.t list = MutualEntry.declare_variable ~info ~uctx pe in () let save_lemma_admitted ~(lemma : t) : unit = - let udecl = Proof_global.get_universe_decl lemma.proof in - let Proof.{ name; poly; entry } = Proof.data (Proof_global.get_proof lemma.proof) in + let udecl = Declare.Proof.get_universe_decl lemma.proof in + let Proof.{ poly; entry } = Proof.data (Declare.Proof.get_proof lemma.proof) in let typ = match Proofview.initial_goals entry with | [typ] -> snd typ | _ -> CErrors.anomaly ~label:"Lemmas.save_lemma_admitted" (Pp.str "more than one statement.") in let typ = EConstr.Unsafe.to_constr typ in - let proof = Proof_global.get_proof lemma.proof in + let proof = Declare.Proof.get_proof lemma.proof in let pproofs = Proof.partial_proof proof in let sec_vars = compute_proof_using_for_admitted lemma.proof typ pproofs in - let universes = Proof_global.get_initial_euctx lemma.proof in - let ctx = UState.check_univ_decl ~poly universes udecl in - finish_admitted ~name ~info:lemma.info ~uctx:universes (sec_vars, (typ, ctx), None) + let uctx = Declare.Proof.get_initial_euctx lemma.proof in + let univs = UState.check_univ_decl ~poly uctx udecl in + finish_admitted ~info:lemma.info ~uctx (sec_vars, (typ, univs), None) (************************************************************************) (* Saving a lemma-like constant *) (************************************************************************) -let default_thm_id = Id.of_string "Unnamed_thm" - -let check_anonymity id save_ident = - if not (String.equal (Nameops.atompart_of_id id) (Id.to_string (default_thm_id))) then - CErrors.user_err Pp.(str "This command can only be used for unnamed theorem.") - -let finish_proved idopt po info = - let open Proof_global in - let { Info.hook } = info in +let finish_proved po info = + let open Declare in match po with - | { name; entries=[const]; uctx; udecl } -> - let name = match idopt with - | None -> name - | Some { CAst.v = save_id } -> check_anonymity name save_id; save_id in - let fix_exn = Declare.Internal.get_fix_exn const in - let () = try - let hook_data = Option.map (fun hook -> hook, uctx, []) hook in - let ubind = UState.universe_binders uctx in - let _r : Names.GlobRef.t list = - MutualEntry.declare_mutdef ~info ~fix_exn ~uctx ?hook_data ~ubind ~name const - in () - with e when CErrors.noncritical e -> - let e = Exninfo.capture e in - Exninfo.iraise (fix_exn e) - in () + | { entries=[const]; uctx } -> + let _r : Names.GlobRef.t list = MutualEntry.declare_mutdef ~info ~uctx const in + () | _ -> CErrors.anomaly ~label:"finish_proved" Pp.(str "close_proof returned more than one proof term") -let finish_derived ~f ~name ~idopt ~entries = +let finish_derived ~f ~name ~entries = (* [f] and [name] correspond to the proof of [f] and of [suchthat], respectively. *) - if Option.has_some idopt then - CErrors.user_err Pp.(str "Cannot save a proof of Derive with an explicit name."); - let f_def, lemma_def = match entries with | [_;f_def;lemma_def] -> @@ -396,7 +343,7 @@ let finish_derived ~f ~name ~idopt ~entries = let lemma_pretype typ = match typ with | Some t -> Some (substf t) - | None -> assert false (* Proof_global always sets type here. *) + | None -> assert false (* Declare always sets type here. *) in (* The references of [f] are subsituted appropriately. *) let lemma_def = Declare.Internal.map_entry_type lemma_def ~f:lemma_pretype in @@ -406,11 +353,11 @@ let finish_derived ~f ~name ~idopt ~entries = let _ : Names.Constant.t = Declare.declare_constant ~name ~kind:Decls.(IsProof Proposition) lemma_def in () -let finish_proved_equations lid kind proof_obj hook i types wits sigma0 = +let finish_proved_equations ~kind ~hook i proof_obj types sigma0 = let obls = ref 1 in let sigma, recobls = - CList.fold_left2_map (fun sigma (wit, (evar_env, ev, evi, local_context, type_)) entry -> + CList.fold_left2_map (fun sigma (_evar_env, ev, _evi, local_context, _type) entry -> let id = match Evd.evar_ident ev sigma0 with | Some id -> id @@ -421,34 +368,51 @@ let finish_proved_equations lid kind proof_obj hook i types wits sigma0 = let sigma, app = Evarutil.new_global sigma (GlobRef.ConstRef cst) in let sigma = Evd.define ev (EConstr.applist (app, List.map EConstr.of_constr args)) sigma in sigma, cst) sigma0 - (CList.combine (List.rev !wits) types) proof_obj.Proof_global.entries + types proof_obj.Declare.entries in hook recobls sigma -let finalize_proof idopt proof_obj proof_info = - let open Proof_global in +let finalize_proof proof_obj proof_info = + let open Declare in let open Proof_ending in match CEphemeron.default proof_info.Info.proof_ending Regular with | Regular -> - finish_proved idopt proof_obj proof_info + finish_proved proof_obj proof_info | End_obligation oinfo -> DeclareObl.obligation_terminator proof_obj.entries proof_obj.uctx oinfo | End_derive { f ; name } -> - finish_derived ~f ~name ~idopt ~entries:proof_obj.entries - | End_equations { hook; i; types; wits; sigma } -> - finish_proved_equations idopt proof_info.Info.kind proof_obj hook i types wits sigma + finish_derived ~f ~name ~entries:proof_obj.entries + | End_equations { hook; i; types; sigma } -> + finish_proved_equations ~kind:proof_info.Info.kind ~hook i proof_obj types sigma + +let err_save_forbidden_in_place_of_qed () = + CErrors.user_err (Pp.str "Cannot use Save with more than one constant or in this proof mode") + +let process_idopt_for_save ~idopt info = + match idopt with + | None -> info + | Some { CAst.v = save_name } -> + (* Save foo was used; we override the info in the first theorem *) + let thms = + match info.Info.thms, CEphemeron.default info.Info.proof_ending Proof_ending.Regular with + | [ { Declare.Recthm.name; _} as decl ], Proof_ending.Regular -> + [ { decl with Declare.Recthm.name = save_name } ] + | _ -> + err_save_forbidden_in_place_of_qed () + in { info with Info.thms } let save_lemma_proved ~lemma ~opaque ~idopt = (* Env and sigma are just used for error printing in save_remaining_recthms *) - let proof_obj = Proof_global.close_proof ~opaque ~keep_body_ucst_separate:false (fun x -> x) lemma.proof in - finalize_proof idopt proof_obj lemma.info + let proof_obj = Declare.close_proof ~opaque ~keep_body_ucst_separate:false lemma.proof in + let proof_info = process_idopt_for_save ~idopt lemma.info in + finalize_proof proof_obj proof_info (***********************************************************************) (* Special case to close a lemma without forcing a proof *) (***********************************************************************) let save_lemma_admitted_delayed ~proof ~info = - let open Proof_global in - let { name; entries; uctx; udecl } = proof in + let open Declare in + let { entries; uctx } = proof in if List.length entries <> 1 then CErrors.user_err Pp.(str "Admitted does not support multiple statements"); let { Declare.proof_entry_secctx; proof_entry_type; proof_entry_universes } = List.hd entries in @@ -460,6 +424,14 @@ let save_lemma_admitted_delayed ~proof ~info = | Some typ -> typ in let ctx = UState.univ_entry ~poly uctx in let sec_vars = if get_keep_admitted_vars () then proof_entry_secctx else None in - finish_admitted ~name ~uctx ~info (sec_vars, (typ, ctx), None) - -let save_lemma_proved_delayed ~proof ~info ~idopt = finalize_proof idopt proof info + finish_admitted ~uctx ~info (sec_vars, (typ, ctx), None) + +let save_lemma_proved_delayed ~proof ~info ~idopt = + (* vio2vo calls this but with invalid info, we have to workaround + that to add the name to the info structure *) + if CList.is_empty info.Info.thms then + let info = add_first_thm ~info ~name:proof.Declare.name ~typ:EConstr.mkSet ~impargs:[] in + finalize_proof proof info + else + let info = process_idopt_for_save ~idopt info in + finalize_proof proof info diff --git a/vernac/lemmas.mli b/vernac/lemmas.mli index 6a1f8c09f3..b1462f1ce5 100644 --- a/vernac/lemmas.mli +++ b/vernac/lemmas.mli @@ -19,10 +19,10 @@ type t val set_endline_tactic : Genarg.glob_generic_argument -> t -> t (** [set_endline_tactic tac lemma] set ending tactic for [lemma] *) -val pf_map : (Proof_global.t -> Proof_global.t) -> t -> t +val pf_map : (Declare.Proof.t -> Declare.Proof.t) -> t -> t (** [pf_map f l] map the underlying proof object *) -val pf_fold : (Proof_global.t -> 'a) -> t -> 'a +val pf_fold : (Declare.Proof.t -> 'a) -> t -> 'a (** [pf_fold f l] fold over the underlying proof object *) val by : unit Proofview.tactic -> t -> t * bool @@ -35,12 +35,12 @@ module Proof_ending : sig | Regular | End_obligation of DeclareObl.obligation_qed_info | End_derive of { f : Id.t; name : Id.t } - | End_equations of { hook : Constant.t list -> Evd.evar_map -> unit - ; i : Id.t - ; types : (Environ.env * Evar.t * Evd.evar_info * EConstr.named_context * Evd.econstr) list - ; wits : EConstr.t list ref - ; sigma : Evd.evar_map - } + | End_equations of + { hook : Constant.t list -> Evd.evar_map -> unit + ; i : Id.t + ; types : (Environ.env * Evar.t * Evd.evar_info * EConstr.named_context * Evd.econstr) list + ; sigma : Evd.evar_map + } end @@ -49,11 +49,11 @@ module Info : sig type t val make - : ?hook: DeclareDef.Hook.t + : ?hook: Declare.Hook.t (** Callback to be executed at the end of the proof *) -> ?proof_ending : Proof_ending.t (** Info for special constants *) - -> ?scope : DeclareDef.locality + -> ?scope : Declare.locality (** locality *) -> ?kind:Decls.logical_kind (** Theorem, etc... *) @@ -68,6 +68,7 @@ val start_lemma -> poly:bool -> ?udecl:UState.universe_decl -> ?info:Info.t + -> ?impargs:Impargs.manual_implicits -> Evd.evar_map -> EConstr.types -> t @@ -84,39 +85,37 @@ type lemma_possible_guards = int list list (** Pretty much internal, used by the Lemma / Fixpoint vernaculars *) val start_lemma_with_initialization - : ?hook:DeclareDef.Hook.t + : ?hook:Declare.Hook.t -> poly:bool - -> scope:DeclareDef.locality + -> scope:Declare.locality -> kind:Decls.logical_kind -> udecl:UState.universe_decl -> Evd.evar_map -> (bool * lemma_possible_guards * Constr.t option list option) option - -> DeclareDef.Recthm.t list + -> Declare.Recthm.t list -> int list option -> t -val default_thm_id : Names.Id.t - (** {4 Saving proofs} *) val save_lemma_admitted : lemma:t -> unit val save_lemma_proved : lemma:t - -> opaque:Proof_global.opacity_flag + -> opaque:Declare.opacity_flag -> idopt:Names.lident option -> unit (** To be removed, don't use! *) module Internal : sig val get_info : t -> Info.t - (** Only needed due to the Proof_global compatibility layer. *) + (** Only needed due to the Declare compatibility layer. *) end (** Special cases for delayed proofs, in this case we must provide the proof information so the proof won't be forced. *) -val save_lemma_admitted_delayed : proof:Proof_global.proof_object -> info:Info.t -> unit +val save_lemma_admitted_delayed : proof:Declare.proof_object -> info:Info.t -> unit val save_lemma_proved_delayed - : proof:Proof_global.proof_object + : proof:Declare.proof_object -> info:Info.t -> idopt:Names.lident option -> unit diff --git a/vernac/library.ml b/vernac/library.ml index 7c629b08e7..85db501e84 100644 --- a/vernac/library.ml +++ b/vernac/library.ml @@ -20,11 +20,11 @@ open Libobject (*s Low-level interning/externing of libraries to files *) let raw_extern_library f = - System.raw_extern_state Coq_config.vo_magic_number f + ObjFile.open_out ~file:f let raw_intern_library f = System.with_magic_number_check - (System.raw_intern_state Coq_config.vo_magic_number) f + (fun file -> ObjFile.open_in ~file) f (************************************************************************) (** Serialized objects loaded on-the-fly *) @@ -35,7 +35,7 @@ module Delayed : sig type 'a delayed -val in_delayed : string -> in_channel -> 'a delayed * Digest.t +val in_delayed : string -> ObjFile.in_handle -> segment:string -> 'a delayed * Digest.t val fetch_delayed : 'a delayed -> 'a end = @@ -43,28 +43,32 @@ struct type 'a delayed = { del_file : string; - del_off : int; + del_off : int64; del_digest : Digest.t; } -let in_delayed f ch = - let pos = pos_in ch in - let _, digest = System.skip_in_segment f ch in - ({ del_file = f; del_digest = digest; del_off = pos; }, digest) +let in_delayed f ch ~segment = + let seg = ObjFile.get_segment ch ~segment in + let digest = seg.ObjFile.hash in + { del_file = f; del_digest = digest; del_off = seg.ObjFile.pos; }, digest (** Fetching a table of opaque terms at position [pos] in file [f], expecting to find first a copy of [digest]. *) let fetch_delayed del = let { del_digest = digest; del_file = f; del_off = pos; } = del in - try - let ch = raw_intern_library f in - let () = seek_in ch pos in - let obj, _, digest' = System.marshal_in_segment f ch in - let () = close_in ch in - if not (String.equal digest digest') then raise (Faulty f); - obj - with e when CErrors.noncritical e -> raise (Faulty f) + let ch = open_in_bin f in + let obj, digest' = + try + let () = LargeFile.seek_in ch pos in + let obj = System.marshal_in f ch in + let digest' = Digest.input ch in + obj, digest' + with e -> close_in ch; raise e + in + close_in ch; + if not (String.equal digest digest') then raise (Faulty f); + obj end @@ -92,7 +96,7 @@ type summary_disk = { type library_t = { library_name : compilation_unit_name; - library_data : library_disk delayed; + library_data : library_disk; library_deps : (compilation_unit_name * Safe_typing.vodigest) array; library_digests : Safe_typing.vodigest; library_extra_univs : Univ.ContextSet.t; @@ -155,11 +159,12 @@ let register_loaded_library m = let prefix = Nativecode.mod_uid_of_dirpath libname ^ "." in let f = prefix ^ "cmo" in let f = Dynlink.adapt_filename f in - if Coq_config.native_compiler then - Nativelib.link_library (Global.env()) ~prefix ~dirname ~basename:f + Nativelib.link_library (Global.env()) ~prefix ~dirname ~basename:f in let rec aux = function - | [] -> link (); [libname] + | [] -> + let () = if Flags.get_native_compiler () then link () in + [libname] | m'::_ as l when DirPath.equal m' libname -> l | m'::l' -> m' :: aux l' in libraries_loaded_list := aux !libraries_loaded_list; @@ -199,7 +204,7 @@ let access_table what tables dp i = with Faulty f -> user_err ~hdr:"Library.access_table" (str "The file " ++ str f ++ str " (bound to " ++ str dir_path ++ - str ") is inaccessible or corrupted,\ncannot load some " ++ + str ") is corrupted,\ncannot load some " ++ str what ++ str " in it.\n") in tables := DPmap.add dp (Fetched t) !tables; @@ -241,12 +246,11 @@ let mk_summary m = { let intern_from_file f = let ch = raw_intern_library f in - let (lsd : seg_sum), _, digest_lsd = System.marshal_in_segment f ch in - let ((lmd : seg_lib delayed), digest_lmd) = in_delayed f ch in - let (univs : seg_univ option), _, digest_u = System.marshal_in_segment f ch in - let _ = System.skip_in_segment f ch in - let ((del_opaque : seg_proofs delayed),_) = in_delayed f ch in - close_in ch; + let (lsd : seg_sum), digest_lsd = ObjFile.marshal_in_segment ch ~segment:"summary" in + let ((lmd : seg_lib), digest_lmd) = ObjFile.marshal_in_segment ch ~segment:"library" in + let (univs : seg_univ option), digest_u = ObjFile.marshal_in_segment ch ~segment:"universes" in + let ((del_opaque : seg_proofs delayed),_) = in_delayed f ch ~segment:"opaques" in + ObjFile.close_in ch; register_library_filename lsd.md_name f; add_opaque_table lsd.md_name (ToFetch del_opaque); let open Safe_typing in @@ -296,7 +300,7 @@ let rec_intern_library ~lib_resolver libs (dir, f) = let native_name_from_filename f = let ch = raw_intern_library f in - let (lmd : seg_sum), pos, digest_lmd = System.marshal_in_segment f ch in + let (lmd : seg_sum), digest_lmd = ObjFile.marshal_in_segment ch ~segment:"summary" in Nativecode.mod_uid_of_dirpath lmd.md_name (**********************************************************************) @@ -317,7 +321,7 @@ let native_name_from_filename f = *) let register_library m = - let l = fetch_delayed m.library_data in + let l = m.library_data in Declaremods.register_library m.library_name l.md_compiled @@ -334,7 +338,11 @@ let load_require _ (_,(needed,modl,_)) = List.iter register_library needed let open_require i (_,(_,modl,export)) = - Option.iter (fun export -> Declaremods.import_modules ~export @@ List.map (fun m -> MPfile m) modl) export + Option.iter (fun export -> + let mpl = List.map (fun m -> Unfiltered, MPfile m) modl in + (* TODO support filters in Require *) + Declaremods.import_modules ~export mpl) + export (* [needed] is the ordered list of libraries not already loaded *) let cache_require o = @@ -369,16 +377,17 @@ let require_library_from_dirpath ~lib_resolver modrefl export = let needed, contents = List.fold_left (rec_intern_library ~lib_resolver) ([], DPmap.empty) modrefl in let needed = List.rev_map (fun dir -> DPmap.find dir contents) needed in let modrefl = List.map fst modrefl in - if Lib.is_module_or_modtype () then - begin - warn_require_in_module (); - add_anonymous_leaf (in_require (needed,modrefl,None)); - Option.iter (fun export -> - List.iter (fun m -> Declaremods.import_module ~export (MPfile m)) modrefl) - export - end - else - add_anonymous_leaf (in_require (needed,modrefl,export)); + if Lib.is_module_or_modtype () then + begin + warn_require_in_module (); + add_anonymous_leaf (in_require (needed,modrefl,None)); + Option.iter (fun export -> + (* TODO import filters *) + List.iter (fun m -> Declaremods.import_module Unfiltered ~export (MPfile m)) modrefl) + export + end + else + add_anonymous_leaf (in_require (needed,modrefl,export)); () (************************************************************************) @@ -386,12 +395,12 @@ let require_library_from_dirpath ~lib_resolver modrefl export = let load_library_todo f = let ch = raw_intern_library f in - let (s0 : seg_sum), _, _ = System.marshal_in_segment f ch in - let (s1 : seg_lib), _, _ = System.marshal_in_segment f ch in - let (s2 : seg_univ option), _, _ = System.marshal_in_segment f ch in - let tasks, _, _ = System.marshal_in_segment f ch in - let (s4 : seg_proofs), _, _ = System.marshal_in_segment f ch in - close_in ch; + let (s0 : seg_sum), _ = ObjFile.marshal_in_segment ch ~segment:"summary" in + let (s1 : seg_lib), _ = ObjFile.marshal_in_segment ch ~segment:"library" in + let (s2 : seg_univ option), _ = ObjFile.marshal_in_segment ch ~segment:"universes" in + let tasks, _ = ObjFile.marshal_in_segment ch ~segment:"tasks" in + let (s4 : seg_proofs), _ = ObjFile.marshal_in_segment ch ~segment:"opaques" in + ObjFile.close_in ch; if tasks = None then user_err ~hdr:"restart" (str"not a .vio file"); if s2 = None then user_err ~hdr:"restart" (str"not a .vio file"); if snd (Option.get s2) then user_err ~hdr:"restart" (str"not a .vio file"); @@ -427,15 +436,15 @@ let error_recursively_dependent_library dir = let save_library_base f sum lib univs tasks proofs = let ch = raw_extern_library f in try - System.marshal_out_segment f ch (sum : seg_sum); - System.marshal_out_segment f ch (lib : seg_lib); - System.marshal_out_segment f ch (univs : seg_univ option); - System.marshal_out_segment f ch (tasks : 'tasks option); - System.marshal_out_segment f ch (proofs : seg_proofs); - close_out ch + ObjFile.marshal_out_segment ch ~segment:"summary" (sum : seg_sum); + ObjFile.marshal_out_segment ch ~segment:"library" (lib : seg_lib); + ObjFile.marshal_out_segment ch ~segment:"universes" (univs : seg_univ option); + ObjFile.marshal_out_segment ch ~segment:"tasks" (tasks : 'tasks option); + ObjFile.marshal_out_segment ch ~segment:"opaques" (proofs : seg_proofs); + ObjFile.close_out ch with reraise -> let reraise = Exninfo.capture reraise in - close_out ch; + ObjFile.close_out ch; Feedback.msg_warning (str "Removed file " ++ str f); Sys.remove f; Exninfo.iraise reraise diff --git a/vernac/locality.ml b/vernac/locality.ml index 9e784c8bb3..f62eed5e41 100644 --- a/vernac/locality.ml +++ b/vernac/locality.ml @@ -34,7 +34,7 @@ let warn_local_declaration = strbrk "available without qualification when imported.") let enforce_locality_exp locality_flag discharge = - let open DeclareDef in + let open Declare in let open Vernacexpr in match locality_flag, discharge with | Some b, NoDischarge -> Global (importability_of_bool b) diff --git a/vernac/locality.mli b/vernac/locality.mli index 26149cb394..bf65579efd 100644 --- a/vernac/locality.mli +++ b/vernac/locality.mli @@ -20,7 +20,7 @@ val make_locality : bool option -> bool val make_non_locality : bool option -> bool -val enforce_locality_exp : bool option -> Vernacexpr.discharge -> DeclareDef.locality +val enforce_locality_exp : bool option -> Vernacexpr.discharge -> Declare.locality val enforce_locality : bool option -> bool (** For commands whose default is to not discharge but to export: diff --git a/vernac/metasyntax.ml b/vernac/metasyntax.ml index 475d5c31f7..3b9c771b93 100644 --- a/vernac/metasyntax.ml +++ b/vernac/metasyntax.ml @@ -877,9 +877,12 @@ let subst_syntax_extension (subst, (local, (pa_sy,pp_sy))) = let classify_syntax_definition (local, _ as o) = if local then Dispose else Substitute o +let open_syntax_extension i o = + if Int.equal i 1 then cache_syntax_extension o + let inSyntaxExtension : syntax_extension_obj -> obj = declare_object {(default_object "SYNTAX-EXTENSION") with - open_function = (fun i o -> if Int.equal i 1 then cache_syntax_extension o); + open_function = simple_open open_syntax_extension; cache_function = cache_syntax_extension; subst_function = subst_syntax_extension; classify_function = classify_syntax_definition} @@ -1454,7 +1457,7 @@ let classify_notation nobj = let inNotation : notation_obj -> obj = declare_object {(default_object "NOTATION") with - open_function = open_notation; + open_function = simple_open open_notation; cache_function = cache_notation; subst_function = subst_notation; load_function = load_notation; @@ -1765,7 +1768,7 @@ let classify_scope_command (local, _, _ as o) = let inScopeCommand : locality_flag * scope_name * scope_command -> obj = declare_object {(default_object "DELIMITERS") with cache_function = cache_scope_command; - open_function = open_scope_command; + open_function = simple_open open_scope_command; load_function = load_scope_command; subst_function = subst_scope_command; classify_function = classify_scope_command} @@ -1831,7 +1834,7 @@ let classify_custom_entry (local,s as o) = let inCustomEntry : locality_flag * string -> obj = declare_object {(default_object "CUSTOM-ENTRIES") with cache_function = cache_custom_entry; - open_function = open_custom_entry; + open_function = simple_open open_custom_entry; load_function = load_custom_entry; subst_function = subst_custom_entry; classify_function = classify_custom_entry} diff --git a/vernac/obligations.ml b/vernac/obligations.ml index a29ba44907..5e746afc74 100644 --- a/vernac/obligations.ml +++ b/vernac/obligations.ml @@ -10,252 +10,16 @@ open Printf -(** - - Get types of existentials ; - - Flatten dependency tree (prefix order) ; - - Replace existentials by de Bruijn indices in term, applied to the right arguments ; - - Apply term prefixed by quantification on "existentials". -*) - -open Constr open Names open Pp open CErrors open Util -module NamedDecl = Context.Named.Declaration - (* For the records fields, opens should go away one these types are private *) open DeclareObl open DeclareObl.Obligation open DeclareObl.ProgramDecl -let succfix (depth, fixrels) = - (succ depth, List.map succ fixrels) - -let check_evars env evm = - Evar.Map.iter - (fun key evi -> - if Evd.is_obligation_evar evm key then () - else - let (loc,k) = Evd.evar_source key evm in - Pretype_errors.error_unsolvable_implicit ?loc env evm key None) - (Evd.undefined_map evm) - -type oblinfo = - { ev_name: int * Id.t; - ev_hyps: EConstr.named_context; - ev_status: bool * Evar_kinds.obligation_definition_status; - ev_chop: int option; - ev_src: Evar_kinds.t Loc.located; - ev_typ: types; - ev_tac: unit Proofview.tactic option; - ev_deps: Int.Set.t } - -(** Substitute evar references in t using de Bruijn indices, - where n binders were passed through. *) - -let subst_evar_constr evm evs n idf t = - let seen = ref Int.Set.empty in - let transparent = ref Id.Set.empty in - let evar_info id = List.assoc_f Evar.equal id evs in - let rec substrec (depth, fixrels) c = match EConstr.kind evm c with - | Evar (k, args) -> - let { ev_name = (id, idstr) ; - ev_hyps = hyps ; ev_chop = chop } = - try evar_info k - with Not_found -> - anomaly ~label:"eterm" (Pp.str "existential variable " ++ int (Evar.repr k) ++ str " not found.") - in - seen := Int.Set.add id !seen; - (* Evar arguments are created in inverse order, - and we must not apply to defined ones (i.e. LetIn's) - *) - let args = - let n = match chop with None -> 0 | Some c -> c in - let (l, r) = List.chop n (List.rev (Array.to_list args)) in - List.rev r - in - let args = - let rec aux hyps args acc = - let open Context.Named.Declaration in - match hyps, args with - (LocalAssum _ :: tlh), (c :: tla) -> - aux tlh tla ((substrec (depth, fixrels) c) :: acc) - | (LocalDef _ :: tlh), (_ :: tla) -> - aux tlh tla acc - | [], [] -> acc - | _, _ -> acc (*failwith "subst_evars: invalid argument"*) - in aux hyps args [] - in - if List.exists - (fun x -> match EConstr.kind evm x with - | Rel n -> Int.List.mem n fixrels - | _ -> false) args - then - transparent := Id.Set.add idstr !transparent; - EConstr.mkApp (idf idstr, Array.of_list args) - | Fix _ -> - EConstr.map_with_binders evm succfix substrec (depth, 1 :: fixrels) c - | _ -> EConstr.map_with_binders evm succfix substrec (depth, fixrels) c - in - let t' = substrec (0, []) t in - EConstr.to_constr evm t', !seen, !transparent - - -(** Substitute variable references in t using de Bruijn indices, - where n binders were passed through. *) -let subst_vars acc n t = - let var_index id = Util.List.index Id.equal id acc in - let rec substrec depth c = match Constr.kind c with - | Var v -> (try mkRel (depth + (var_index v)) with Not_found -> c) - | _ -> Constr.map_with_binders succ substrec depth c - in - substrec 0 t - -(** Rewrite type of an evar ([ H1 : t1, ... Hn : tn |- concl ]) - to a product : forall H1 : t1, ..., forall Hn : tn, concl. - Changes evars and hypothesis references to variable references. -*) -let etype_of_evar evm evs hyps concl = - let open Context.Named.Declaration in - let rec aux acc n = function - decl :: tl -> - let t', s, trans = subst_evar_constr evm evs n EConstr.mkVar (NamedDecl.get_type decl) in - let t'' = subst_vars acc 0 t' in - let rest, s', trans' = aux (NamedDecl.get_id decl :: acc) (succ n) tl in - let s' = Int.Set.union s s' in - let trans' = Id.Set.union trans trans' in - (match decl with - | LocalDef (id,c,_) -> - let c', s'', trans'' = subst_evar_constr evm evs n EConstr.mkVar c in - let c' = subst_vars acc 0 c' in - Term.mkNamedProd_or_LetIn (LocalDef (id, c', t'')) rest, - Int.Set.union s'' s', - Id.Set.union trans'' trans' - | LocalAssum (id,_) -> - Term.mkNamedProd_or_LetIn (LocalAssum (id, t'')) rest, s', trans') - | [] -> - let t', s, trans = subst_evar_constr evm evs n EConstr.mkVar concl in - subst_vars acc 0 t', s, trans - in aux [] 0 (List.rev hyps) - -let trunc_named_context n ctx = - let len = List.length ctx in - List.firstn (len - n) ctx - -let rec chop_product n t = - let pop t = Vars.lift (-1) t in - if Int.equal n 0 then Some t - else - match Constr.kind t with - | Prod (_, _, b) -> if Vars.noccurn 1 b then chop_product (pred n) (pop b) else None - | _ -> None - -let evar_dependencies evm oev = - let one_step deps = - Evar.Set.fold (fun ev s -> - let evi = Evd.find evm ev in - let deps' = Evd.evars_of_filtered_evar_info evm evi in - if Evar.Set.mem oev deps' then - invalid_arg ("Ill-formed evar map: cycle detected for evar " ^ Pp.string_of_ppcmds @@ Evar.print oev) - else Evar.Set.union deps' s) - deps deps - in - let rec aux deps = - let deps' = one_step deps in - if Evar.Set.equal deps deps' then deps - else aux deps' - in aux (Evar.Set.singleton oev) - -let move_after (id, ev, deps as obl) l = - let rec aux restdeps = function - | (id', _, _) as obl' :: tl -> - let restdeps' = Evar.Set.remove id' restdeps in - if Evar.Set.is_empty restdeps' then - obl' :: obl :: tl - else obl' :: aux restdeps' tl - | [] -> [obl] - in aux (Evar.Set.remove id deps) l - -let sort_dependencies evl = - let rec aux l found list = - match l with - | (id, ev, deps) as obl :: tl -> - let found' = Evar.Set.union found (Evar.Set.singleton id) in - if Evar.Set.subset deps found' then - aux tl found' (obl :: list) - else aux (move_after obl tl) found list - | [] -> List.rev list - in aux evl Evar.Set.empty [] - -let eterm_obligations env name evm fs ?status t ty = - (* 'Serialize' the evars *) - let nc = Environ.named_context env in - let nc_len = Context.Named.length nc in - let evm = Evarutil.nf_evar_map_undefined evm in - let evl = Evarutil.non_instantiated evm in - let evl = Evar.Map.bindings evl in - let evl = List.map (fun (id, ev) -> (id, ev, evar_dependencies evm id)) evl in - let sevl = sort_dependencies evl in - let evl = List.map (fun (id, ev, _) -> id, ev) sevl in - let evn = - let i = ref (-1) in - List.rev_map (fun (id, ev) -> incr i; - (id, (!i, Id.of_string - (Id.to_string name ^ "_obligation_" ^ string_of_int (succ !i))), - ev)) evl - in - let evts = - (* Remove existential variables in types and build the corresponding products *) - List.fold_right - (fun (id, (n, nstr), ev) l -> - let hyps = Evd.evar_filtered_context ev in - let hyps = trunc_named_context nc_len hyps in - let evtyp, deps, transp = etype_of_evar evm l hyps ev.Evd.evar_concl in - let evtyp, hyps, chop = - match chop_product fs evtyp with - | Some t -> t, trunc_named_context fs hyps, fs - | None -> evtyp, hyps, 0 - in - let loc, k = Evd.evar_source id evm in - let status = match k with - | Evar_kinds.QuestionMark { Evar_kinds.qm_obligation=o } -> o - | _ -> match status with - | Some o -> o - | None -> Evar_kinds.Define (not (Program.get_proofs_transparency ())) - in - let force_status, status, chop = match status with - | Evar_kinds.Define true as stat -> - if not (Int.equal chop fs) then true, Evar_kinds.Define false, None - else false, stat, Some chop - | s -> false, s, None - in - let info = { ev_name = (n, nstr); - ev_hyps = hyps; ev_status = force_status, status; ev_chop = chop; - ev_src = loc, k; ev_typ = evtyp ; ev_deps = deps; ev_tac = None } - in (id, info) :: l) - evn [] - in - let t', _, transparent = (* Substitute evar refs in the term by variables *) - subst_evar_constr evm evts 0 EConstr.mkVar t - in - let ty, _, _ = subst_evar_constr evm evts 0 EConstr.mkVar ty in - let evars = - List.map (fun (ev, info) -> - let { ev_name = (_, name); ev_status = force_status, status; - ev_src = src; ev_typ = typ; ev_deps = deps; ev_tac = tac } = info - in - let force_status, status = match status with - | Evar_kinds.Define true when Id.Set.mem name transparent -> - true, Evar_kinds.Define false - | _ -> force_status, status - in name, typ, src, (force_status, status), deps, tac) evts - in - let evnames = List.map (fun (ev, info) -> ev, snd info.ev_name) evts in - let evmap f c = pi1 (subst_evar_constr evm evts 0 f c) in - Array.of_list (List.rev evars), (evnames, evmap), t', ty - let pperror cmd = CErrors.user_err ~hdr:"Program" cmd let error s = pperror (str s) @@ -270,11 +34,6 @@ let explain_no_obligations = function Some ident -> str "No obligations for program " ++ Id.print ident | None -> str "No obligations remaining" -type obligation_info = - (Names.Id.t * types * Evar_kinds.t Loc.located * - (bool * Evar_kinds.obligation_definition_status) - * Int.Set.t * unit Proofview.tactic option) array - let assumption_message = Declare.assumption_message let default_tactic = ref (Proofview.tclUNIT ()) @@ -374,8 +133,8 @@ let solve_by_tac ?loc name evi t poly uctx = try (* the status is dropped. *) let env = Global.env () in - let body, types, _, uctx = - Pfedit.build_by_tactic env ~uctx ~poly ~typ:evi.evar_concl t in + let body, types, _univs, _, uctx = + Declare.build_by_tactic env ~uctx ~poly ~typ:evi.evar_concl t in Inductiveops.control_only_guard env (Evd.from_ctx uctx) (EConstr.of_constr body); Some (body, types, uctx) with @@ -403,13 +162,13 @@ let rec solve_obligation prg num tac = ++ str (string_of_list ", " (fun x -> string_of_int (succ x)) remaining)); in let obl = subst_deps_obl obls obl in - let scope = DeclareDef.(Global Declare.ImportNeedQualified) in + let scope = Declare.(Global Declare.ImportNeedQualified) in let kind = kind_of_obligation (snd obl.obl_status) in let evd = Evd.from_ctx prg.prg_ctx in let evd = Evd.update_sigma_env evd (Global.env ()) in let auto n oblset tac = auto_solve_obligations n ~oblset tac in let proof_ending = Lemmas.Proof_ending.End_obligation (DeclareObl.{name = prg.prg_name; num; auto}) in - let hook = DeclareDef.Hook.make (DeclareObl.obligation_hook prg obl num auto) in + let hook = Declare.Hook.make (DeclareObl.obligation_hook prg obl num auto) in let info = Lemmas.Info.make ~hook ~proof_ending ~scope ~kind () in let poly = prg.prg_poly in let lemma = Lemmas.start_lemma ~name:obl.obl_name ~poly ~info evd (EConstr.of_constr obl.obl_type) in @@ -550,7 +309,7 @@ let show_term n = ++ Printer.pr_constr_env env sigma prg.prg_body) let add_definition ~name ?term t ~uctx ?(udecl=UState.default_univ_decl) - ?(impargs=[]) ~poly ?(scope=DeclareDef.Global Declare.ImportDefaultBehavior) ?(kind=Decls.Definition) ?tactic + ?(impargs=[]) ~poly ?(scope=Declare.Global Declare.ImportDefaultBehavior) ?(kind=Decls.Definition) ?tactic ?(reduce=reduce) ?hook ?(opaque = false) obls = let info = Id.print name ++ str " has type-checked" in let prg = ProgramDecl.make ~opaque name ~udecl term t ~uctx [] None [] obls ~impargs ~poly ~scope ~kind reduce ?hook in @@ -569,14 +328,14 @@ let add_definition ~name ?term t ~uctx ?(udecl=UState.default_univ_decl) | _ -> res) let add_mutual_definitions l ~uctx ?(udecl=UState.default_univ_decl) ?tactic - ~poly ?(scope=DeclareDef.Global Declare.ImportDefaultBehavior) ?(kind=Decls.Definition) ?(reduce=reduce) + ~poly ?(scope=Declare.Global Declare.ImportDefaultBehavior) ?(kind=Decls.Definition) ?(reduce=reduce) ?hook ?(opaque = false) notations fixkind = - let deps = List.map (fun (n, b, t, imps, obls) -> n) l in + let deps = List.map (fun ({ Declare.Recthm.name; _ }, _, _) -> name) l in List.iter - (fun (n, b, t, impargs, obls) -> - let prg = ProgramDecl.make ~opaque n ~udecl (Some b) t ~uctx deps (Some fixkind) + (fun ({ Declare.Recthm.name; typ; impargs; _ }, b, obls) -> + let prg = ProgramDecl.make ~opaque name ~udecl (Some b) typ ~uctx deps (Some fixkind) notations obls ~impargs ~poly ~scope ~kind reduce ?hook - in progmap_add n (CEphemeron.create prg)) l; + in progmap_add name (CEphemeron.create prg)) l; let _defined = List.fold_left (fun finished x -> if finished then finished diff --git a/vernac/obligations.mli b/vernac/obligations.mli index 101958072a..89ed4c3498 100644 --- a/vernac/obligations.mli +++ b/vernac/obligations.mli @@ -8,105 +8,131 @@ (* * (see LICENSE file for the text of the license) *) (************************************************************************) -open Environ open Constr -open Evd -open Names - -val check_evars : env -> evar_map -> unit - -val evar_dependencies : evar_map -> Evar.t -> Evar.Set.t -val sort_dependencies : (Evar.t * evar_info * Evar.Set.t) list -> (Evar.t * evar_info * Evar.Set.t) list - -(* ident, type, location, (opaque or transparent, expand or define), dependencies, tactic to solve it *) -type obligation_info = - (Id.t * types * Evar_kinds.t Loc.located * - (bool * Evar_kinds.obligation_definition_status) * Int.Set.t * unit Proofview.tactic option) array - -(* env, id, evars, number of function prototypes to try to clear from - evars contexts, object and type *) -val eterm_obligations - : env - -> Id.t - -> evar_map - -> int - -> ?status:Evar_kinds.obligation_definition_status - -> EConstr.constr - -> EConstr.types - -> obligation_info * - - (* Existential key, obl. name, type as product, location of the - original evar, associated tactic, status and dependencies as - indexes into the array *) - ((Evar.t * Id.t) list * ((Id.t -> EConstr.constr) -> EConstr.constr -> constr)) * - - (* Translations from existential identifiers to obligation - identifiers and for terms with existentials to closed terms, - given a translation from obligation identifiers to constrs, - new term, new type *) - constr * types + +(** Coq's Program mode support. This mode extends declarations of + constants and fixpoints with [Program Definition] and [Program + Fixpoint] to support incremental construction of terms using + delayed proofs, called "obligations" + + The mode also provides facilities for managing and auto-solving + sets of obligations. + + The basic code flow of programs/obligations is as follows: + + - [add_definition] / [add_mutual_definitions] are called from the + respective [Program] vernacular command interpretation; at this + point the only extra work we do is to prepare the new definition + [d] using [RetrieveObl], which consists in turning unsolved evars + into obligations. [d] is not sent to the kernel yet, as it is not + complete and cannot be typchecked, but saved in a special + data-structure. Auto-solving of obligations is tried at this stage + (see below) + + - [next_obligation] will retrieve the next obligation + ([RetrieveObl] sorts them by topological order) and will try to + solve it. When all obligations are solved, the original constant + [d] is grounded and sent to the kernel for addition to the global + environment. Auto-solving of obligations is also triggered on + obligation completion. + +{2} Solving of obligations: Solved obligations are stored as regular + global declarations in the global environment, usually with name + [constant_obligation_number] where [constant] is the original + [constant] and [number] is the corresponding (internal) number. + + Solving an obligation can trigger a bit of a complex cascaded + callback path; closing an obligation can indeed allow all other + obligations to be closed, which in turn may trigged the declaration + of the original constant. Care must be taken, as this can modify + [Global.env] in arbitrarily ways. Current code takes some care to + refresh the [env] in the proper boundaries, but the invariants + remain delicate. + +{2} Saving of obligations: as open obligations use the regular proof + mode, a `Qed` will call `Lemmas.save_lemma` first. For this reason + obligations code is split in two: this file, [Obligations], taking + care of the top-level vernac commands, and [DeclareObl], which is + called by `Lemmas` to close an obligation proof and eventually to + declare the top-level [Program]ed constant. + + There is little obligations-specific code in [DeclareObl], so + eventually that file should be integrated in the regular [Declare] + path, as it gains better support for "dependent_proofs". + + *) val default_tactic : unit Proofview.tactic ref -val add_definition - : name:Names.Id.t - -> ?term:constr -> types +(** Start a [Program Definition c] proof. [uctx] [udecl] [impargs] + [kind] [scope] [poly] etc... come from the interpretation of the + vernacular; `obligation_info` was generated by [RetrieveObl] It + will return whether all the obligations were solved; if so, it will + also register [c] with the kernel. *) +val add_definition : + name:Names.Id.t + -> ?term:constr + -> types -> uctx:UState.t - -> ?udecl:UState.universe_decl (* Universe binders and constraints *) + -> ?udecl:UState.universe_decl (** Universe binders and constraints *) -> ?impargs:Impargs.manual_implicits -> poly:bool - -> ?scope:DeclareDef.locality + -> ?scope:Declare.locality -> ?kind:Decls.definition_object_kind -> ?tactic:unit Proofview.tactic -> ?reduce:(constr -> constr) - -> ?hook:DeclareDef.Hook.t + -> ?hook:Declare.Hook.t -> ?opaque:bool - -> obligation_info + -> RetrieveObl.obligation_info -> DeclareObl.progress -val add_mutual_definitions - (* XXX: unify with MutualEntry *) - : (Names.Id.t * constr * types * Impargs.manual_implicits * obligation_info) list +(* XXX: unify with MutualEntry *) + +(** Start a [Program Fixpoint] declaration, similar to the above, + except it takes a list now. *) +val add_mutual_definitions : + (Declare.Recthm.t * Constr.t * RetrieveObl.obligation_info) list -> uctx:UState.t - -> ?udecl:UState.universe_decl - (** Universe binders and constraints *) + -> ?udecl:UState.universe_decl (** Universe binders and constraints *) -> ?tactic:unit Proofview.tactic -> poly:bool - -> ?scope:DeclareDef.locality + -> ?scope:Declare.locality -> ?kind:Decls.definition_object_kind -> ?reduce:(constr -> constr) - -> ?hook:DeclareDef.Hook.t -> ?opaque:bool + -> ?hook:Declare.Hook.t + -> ?opaque:bool -> Vernacexpr.decl_notation list - -> DeclareObl.fixpoint_kind -> unit + -> DeclareObl.fixpoint_kind + -> unit -val obligation - : int * Names.Id.t option * Constrexpr.constr_expr option +(** Implementation of the [Obligation] command *) +val obligation : + int * Names.Id.t option * Constrexpr.constr_expr option -> Genarg.glob_generic_argument option -> Lemmas.t -val next_obligation - : Names.Id.t option - -> Genarg.glob_generic_argument option - -> Lemmas.t +(** Implementation of the [Next Obligation] command *) +val next_obligation : + Names.Id.t option -> Genarg.glob_generic_argument option -> Lemmas.t -val solve_obligations : Names.Id.t option -> unit Proofview.tactic option - -> DeclareObl.progress -(* Number of remaining obligations to be solved for this program *) +(** Implementation of the [Solve Obligation] command *) +val solve_obligations : + Names.Id.t option -> unit Proofview.tactic option -> DeclareObl.progress val solve_all_obligations : unit Proofview.tactic option -> unit -val try_solve_obligation : int -> Names.Id.t option -> unit Proofview.tactic option -> unit +(** Number of remaining obligations to be solved for this program *) +val try_solve_obligation : + int -> Names.Id.t option -> unit Proofview.tactic option -> unit -val try_solve_obligations : Names.Id.t option -> unit Proofview.tactic option -> unit +val try_solve_obligations : + Names.Id.t option -> unit Proofview.tactic option -> unit val show_obligations : ?msg:bool -> Names.Id.t option -> unit - val show_term : Names.Id.t option -> Pp.t - val admit_obligations : Names.Id.t option -> unit exception NoObligations of Names.Id.t option val explain_no_obligations : Names.Id.t option -> Pp.t - val check_program_libraries : unit -> unit diff --git a/vernac/pfedit.ml b/vernac/pfedit.ml new file mode 100644 index 0000000000..e6c66ee503 --- /dev/null +++ b/vernac/pfedit.ml @@ -0,0 +1,19 @@ +(* Compat API / *) +let get_current_context = Declare.get_current_context +[@@ocaml.deprecated "Use [Declare.get_current_context]"] +let solve = Proof.solve +[@@ocaml.deprecated "Use [Proof.solve]"] +let by = Declare.by +[@@ocaml.deprecated "Use [Declare.by]"] +let refine_by_tactic = Proof.refine_by_tactic +[@@ocaml.deprecated "Use [Proof.refine_by_tactic]"] + +(* We don't want to export this anymore, but we do for now *) +let build_by_tactic ?side_eff env ~uctx ~poly ~typ tac = + let b, t, _unis, safe, uctx = + Declare.build_by_tactic ?side_eff env ~uctx ~poly ~typ tac in + b, t, safe, uctx +[@@ocaml.deprecated "Use [Proof.build_by_tactic]"] + +let build_constant_by_tactic = Declare.build_constant_by_tactic +[@@ocaml.deprecated "Use [Proof.build_constant_by_tactic]"] diff --git a/vernac/ppvernac.ml b/vernac/ppvernac.ml index 054b60853f..b97cdfa51c 100644 --- a/vernac/ppvernac.ml +++ b/vernac/ppvernac.ml @@ -86,7 +86,13 @@ open Pputils let pr_module = Libnames.pr_qualid - let pr_import_module = Libnames.pr_qualid + let pr_one_import_filter_name (q,etc) = + Libnames.pr_qualid q ++ if etc then str "(..)" else mt() + + let pr_import_module (m,f) = + Libnames.pr_qualid m ++ match f with + | ImportAll -> mt() + | ImportNames ns -> surround (prlist_with_sep pr_comma pr_one_import_filter_name ns) let sep_end = function | VernacBullet _ @@ -162,8 +168,8 @@ open Pputils keyword "Search" ++ spc() ++ prlist_with_sep spc pr_search sl ++ pr_in_out_modules b let pr_option_ref_value = function - | QualidRefValue id -> pr_qualid id - | StringRefValue s -> qs s + | Goptions.QualidRefValue id -> pr_qualid id + | Goptions.StringRefValue s -> qs s let pr_printoption table b = prlist_with_sep spc str table ++ @@ -179,7 +185,7 @@ open Pputils | [] -> mt() | _ as z -> str":" ++ spc() ++ prlist_with_sep sep str z - let pr_reference_or_constr pr_c = let open Hints in function + let pr_reference_or_constr pr_c = function | HintsReference r -> pr_qualid r | HintsConstr c -> pr_c c @@ -785,7 +791,6 @@ let string_of_definition_object_kind = let open Decls in function return (keyword "Admitted") | VernacEndProof (Proved (opac,o)) -> return ( - let open Proof_global in match o with | None -> (match opac with | Transparent -> keyword "Defined" diff --git a/vernac/proof_global.ml b/vernac/proof_global.ml new file mode 100644 index 0000000000..54d1db44a4 --- /dev/null +++ b/vernac/proof_global.ml @@ -0,0 +1,12 @@ +(* compatibility module; can be removed once we agree on the API *) + +type t = Declare.Proof.t +[@@ocaml.deprecated "Use [Declare.Proof.t]"] +let map_proof = Declare.Proof.map_proof +[@@ocaml.deprecated "Use [Declare.Proof.map_proof]"] +let get_proof = Declare.Proof.get_proof +[@@ocaml.deprecated "Use [Declare.Proof.get_proof]"] + +type opacity_flag = Declare.opacity_flag = + | Opaque [@ocaml.deprecated "Use [Declare.Opaque]"] + | Transparent [@ocaml.deprecated "Use [Declare.Transparent]"] diff --git a/vernac/pvernac.mli b/vernac/pvernac.mli index 4de12f5e3b..1718024edd 100644 --- a/vernac/pvernac.mli +++ b/vernac/pvernac.mli @@ -28,7 +28,7 @@ module Vernac_ : val command_entry : vernac_expr Entry.t val main_entry : vernac_control option Entry.t val red_expr : raw_red_expr Entry.t - val hint_info : Hints.hint_info_expr Entry.t + val hint_info : hint_info_expr Entry.t end (* To be removed when the parser is made functional wrt the tactic diff --git a/vernac/record.ml b/vernac/record.ml index d974ead942..9fda98d08e 100644 --- a/vernac/record.ml +++ b/vernac/record.ml @@ -59,26 +59,37 @@ let () = optread = (fun () -> !typeclasses_unique); optwrite = (fun b -> typeclasses_unique := b); } -let interp_fields_evars env sigma impls_env nots l = - List.fold_left2 - (fun (env, sigma, uimpls, params, impls) no ({CAst.loc;v=i}, b, t) -> - let sigma, (t', impl) = interp_type_evars_impls ~program_mode:false env sigma ~impls t in - let r = Retyping.relevance_of_type env sigma t' in - let sigma, b' = - Option.cata (fun x -> on_snd (fun x -> Some (fst x)) @@ - interp_casted_constr_evars_impls ~program_mode:false env sigma ~impls x t') (sigma,None) b in - let impls = - match i with - | Anonymous -> impls - | Name id -> Id.Map.add id (compute_internalization_data env sigma Constrintern.Method t' impl) impls - in - let d = match b' with - | None -> LocalAssum (make_annot i r,t') - | Some b' -> LocalDef (make_annot i r,b',t') +let interp_fields_evars env sigma ~ninds ~nparams impls_env nots l = + let _, sigma, impls, newfs, _ = + List.fold_left2 + (fun (env, sigma, uimpls, params, impls) no ({CAst.loc;v=i}, b, t) -> + let sigma, (t', impl) = interp_type_evars_impls env sigma ~impls t in + let r = Retyping.relevance_of_type env sigma t' in + let sigma, b' = + Option.cata (fun x -> on_snd (fun x -> Some (fst x)) @@ + interp_casted_constr_evars_impls ~program_mode:false env sigma ~impls x t') (sigma,None) b in + let impls = + match i with + | Anonymous -> impls + | Name id -> Id.Map.add id (compute_internalization_data env sigma id Constrintern.Method t' impl) impls + in + let d = match b' with + | None -> LocalAssum (make_annot i r,t') + | Some b' -> LocalDef (make_annot i r,b',t') + in + List.iter (Metasyntax.set_notation_for_interpretation env impls) no; + (EConstr.push_rel d env, sigma, impl :: uimpls, d::params, impls)) + (env, sigma, [], [], impls_env) nots l + in + let _, sigma = Context.Rel.fold_outside ~init:(env,sigma) (fun f (env,sigma) -> + let sigma = RelDecl.fold_constr (fun c sigma -> + ComInductive.maybe_unify_params_in env sigma ~ninds ~nparams c) + f sigma in - List.iter (Metasyntax.set_notation_for_interpretation env impls) no; - (EConstr.push_rel d env, sigma, impl :: uimpls, d::params, impls)) - (env, sigma, [], [], impls_env) nots l + EConstr.push_rel f env, sigma) + newfs + in + sigma, (impls, newfs) let compute_constructor_level evars env l = List.fold_right (fun d (env, univ) -> @@ -103,7 +114,7 @@ let check_anonymous_type ind = | { CAst.v = CSort (Glob_term.UAnonymous {rigid=true}) } -> true | _ -> false -let typecheck_params_and_fields finite def poly pl ps records = +let typecheck_params_and_fields def poly pl ps records = let env0 = Global.env () in (* Special case elaboration for template-polymorphic inductives, lower bound on introduced universes is Prop so that we do not miss @@ -157,17 +168,15 @@ let typecheck_params_and_fields finite def poly pl ps records = let fold accu (id, _, _, _) arity r = EConstr.push_rel (LocalAssum (make_annot (Name id) r,arity)) accu in let env_ar = EConstr.push_rel_context newps (List.fold_left3 fold env0 records arities relevances) in - let assums = List.filter is_local_assum newps in let impls_env = - let params = List.map (RelDecl.get_name %> Name.get_id) assums in - let ty = Inductive (params, (finite != Declarations.BiFinite)) in let ids = List.map (fun (id, _, _, _) -> id) records in let imps = List.map (fun _ -> imps) arities in - compute_internalization_env env0 sigma ~impls:impls_env ty ids arities imps + compute_internalization_env env0 sigma ~impls:impls_env Inductive ids arities imps in + let ninds = List.length arities in + let nparams = List.length newps in let fold sigma (_, _, nots, fs) arity = - let _, sigma, impls, newfs, _ = interp_fields_evars env_ar sigma impls_env nots (binders_of_decls fs) in - (sigma, (impls, newfs)) + interp_fields_evars env_ar sigma ~ninds ~nparams impls_env nots (binders_of_decls fs) in let (sigma, data) = List.fold_left2_map fold sigma records arities in let sigma = @@ -311,67 +320,65 @@ let declare_projections indsp ctx ?(kind=Decls.StructureComponent) binder_name f let (_,_,kinds,sp_projs,_) = List.fold_left3 (fun (nfi,i,kinds,sp_projs,subst) flags decl impls -> - let fi = RelDecl.get_name decl in - let ti = RelDecl.get_type decl in - let (sp_projs,i,subst) = - match fi with - | Anonymous -> - (None::sp_projs,i,NoProjection fi::subst) - | Name fid -> try - let kn, term = - if is_local_assum decl && primitive then - let p = Projection.Repr.make indsp - ~proj_npars:mib.mind_nparams - ~proj_arg:i - (Label.of_id fid) - in - (* Already defined by declare_mind silently *) - let kn = Projection.Repr.constant p in - Declare.definition_message fid; - kn, mkProj (Projection.make p false,mkRel 1) - else - let ccl = subst_projection fid subst ti in - let body = match decl with - | LocalDef (_,ci,_) -> subst_projection fid subst ci - | LocalAssum ({binder_relevance=rci},_) -> - (* [ccl] is defined in context [params;x:rp] *) - (* [ccl'] is defined in context [params;x:rp;x:rp] *) - let ccl' = liftn 1 2 ccl in - let p = mkLambda (x, lift 1 rp, ccl') in - let branch = it_mkLambda_or_LetIn (mkRel nfi) lifted_fields in - let ci = Inductiveops.make_case_info env indsp rci LetStyle in - (* Record projections have no is *) - mkCase (ci, p, mkRel 1, [|branch|]) - in - let proj = - it_mkLambda_or_LetIn (mkLambda (x,rp,body)) paramdecls in - let projtyp = - it_mkProd_or_LetIn (mkProd (x,rp,ccl)) paramdecls in - try - let entry = Declare.definition_entry ~univs:ctx ~types:projtyp proj in - let kind = Decls.IsDefinition kind in - let kn = declare_constant ~name:fid ~kind (Declare.DefinitionEntry entry) in - let constr_fip = - let proj_args = (*Rel 1 refers to "x"*) paramargs@[mkRel 1] in - applist (mkConstU (kn,u),proj_args) - in - Declare.definition_message fid; - kn, constr_fip - with Type_errors.TypeError (ctx,te) -> - raise (NotDefinable (BadTypedProj (fid,ctx,te))) - in - let refi = GlobRef.ConstRef kn in - Impargs.maybe_declare_manual_implicits false refi impls; - if flags.pf_subclass then begin - let cl = ComCoercion.class_of_global (GlobRef.IndRef indsp) in - ComCoercion.try_add_new_coercion_with_source refi ~local:false ~poly ~source:cl - end; - let i = if is_local_assum decl then i+1 else i in - (Some kn::sp_projs, i, Projection term::subst) - with NotDefinable why -> - warning_or_error flags.pf_subclass indsp why; - (None::sp_projs,i,NoProjection fi::subst) in - (nfi - 1, i, { Recordops.pk_name = fi ; pk_true_proj = is_local_assum decl ; pk_canonical = flags.pf_canonical } :: kinds, sp_projs, subst)) + let fi = RelDecl.get_name decl in + let ti = RelDecl.get_type decl in + let (sp_projs,i,subst) = + match fi with + | Anonymous -> + (None::sp_projs,i,NoProjection fi::subst) + | Name fid -> + try + let ccl = subst_projection fid subst ti in + let body, p_opt = match decl with + | LocalDef (_,ci,_) -> subst_projection fid subst ci, None + | LocalAssum ({binder_relevance=rci},_) -> + (* [ccl] is defined in context [params;x:rp] *) + (* [ccl'] is defined in context [params;x:rp;x:rp] *) + if primitive then + let p = Projection.Repr.make indsp + ~proj_npars:mib.mind_nparams ~proj_arg:i (Label.of_id fid) in + mkProj (Projection.make p true, mkRel 1), Some p + else + let ccl' = liftn 1 2 ccl in + let p = mkLambda (x, lift 1 rp, ccl') in + let branch = it_mkLambda_or_LetIn (mkRel nfi) lifted_fields in + let ci = Inductiveops.make_case_info env indsp rci LetStyle in + (* Record projections have no is *) + mkCase (ci, p, mkRel 1, [|branch|]), None + in + let proj = it_mkLambda_or_LetIn (mkLambda (x,rp,body)) paramdecls in + let projtyp = it_mkProd_or_LetIn (mkProd (x,rp,ccl)) paramdecls in + let entry = Declare.definition_entry ~univs:ctx ~types:projtyp proj in + let kind = Decls.IsDefinition kind in + let kn = + try declare_constant ~name:fid ~kind (Declare.DefinitionEntry entry) + with Type_errors.TypeError (ctx,te) when not primitive -> + raise (NotDefinable (BadTypedProj (fid,ctx,te))) + in + Declare.definition_message fid; + let term = match p_opt with + | Some p -> + let _ = DeclareInd.declare_primitive_projection p kn in + mkProj (Projection.make p false,mkRel 1) + | None -> + let proj_args = (*Rel 1 refers to "x"*) paramargs@[mkRel 1] in + match decl with + | LocalDef (_,ci,_) when primitive -> body + | _ -> applist (mkConstU (kn,u),proj_args) + in + let refi = GlobRef.ConstRef kn in + Impargs.maybe_declare_manual_implicits false refi impls; + if flags.pf_subclass then begin + let cl = ComCoercion.class_of_global (GlobRef.IndRef indsp) in + ComCoercion.try_add_new_coercion_with_source refi ~local:false ~poly ~source:cl + end; + let i = if is_local_assum decl then i+1 else i in + (Some kn::sp_projs, i, Projection term::subst) + with NotDefinable why -> + warning_or_error flags.pf_subclass indsp why; + (None::sp_projs,i,NoProjection fi::subst) + in + (nfi - 1, i, { Recordops.pk_name = fi ; pk_true_proj = is_local_assum decl ; pk_canonical = flags.pf_canonical } :: kinds, sp_projs, subst)) (List.length fields,0,[],[],[]) flags (List.rev fields) (List.rev fieldimpls) in (kinds,sp_projs) @@ -702,7 +709,7 @@ let definition_structure udecl kind ~template ~cumulative ~poly finite records = let ps, data = extract_record_data records in let ubinders, univs, auto_template, params, implpars, data = States.with_state_protection (fun () -> - typecheck_params_and_fields finite (kind = Class true) poly udecl ps data) () in + typecheck_params_and_fields (kind = Class true) poly udecl ps data) () in let template = template, auto_template in match kind with | Class def -> diff --git a/vernac/retrieveObl.ml b/vernac/retrieveObl.ml new file mode 100644 index 0000000000..b8564037e0 --- /dev/null +++ b/vernac/retrieveObl.ml @@ -0,0 +1,296 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +open Names + +(** + - Get types of existentials ; + - Flatten dependency tree (prefix order) ; + - Replace existentials by de Bruijn indices in term, applied to the right arguments ; + - Apply term prefixed by quantification on "existentials". +*) + +let check_evars env evm = + Evar.Map.iter + (fun key evi -> + if Evd.is_obligation_evar evm key then () + else + let loc, k = Evd.evar_source key evm in + Pretype_errors.error_unsolvable_implicit ?loc env evm key None) + (Evd.undefined_map evm) + +type obligation_info = + ( Names.Id.t + * Constr.types + * Evar_kinds.t Loc.located + * (bool * Evar_kinds.obligation_definition_status) + * Int.Set.t + * unit Proofview.tactic option ) + array + +type oblinfo = + { ev_name : int * Id.t + ; ev_hyps : EConstr.named_context + ; ev_status : bool * Evar_kinds.obligation_definition_status + ; ev_chop : int option + ; ev_src : Evar_kinds.t Loc.located + ; ev_typ : Constr.types + ; ev_tac : unit Proofview.tactic option + ; ev_deps : Int.Set.t } + +(** Substitute evar references in t using de Bruijn indices, + where n binders were passed through. *) + +let succfix (depth, fixrels) = (succ depth, List.map succ fixrels) + +let subst_evar_constr evm evs n idf t = + let seen = ref Int.Set.empty in + let transparent = ref Id.Set.empty in + let evar_info id = CList.assoc_f Evar.equal id evs in + let rec substrec (depth, fixrels) c = + match EConstr.kind evm c with + | Constr.Evar (k, args) -> + let {ev_name = id, idstr; ev_hyps = hyps; ev_chop = chop} = + try evar_info k + with Not_found -> + CErrors.anomaly ~label:"eterm" + Pp.( + str "existential variable " + ++ int (Evar.repr k) + ++ str " not found.") + in + seen := Int.Set.add id !seen; + (* Evar arguments are created in inverse order, + and we must not apply to defined ones (i.e. LetIn's) + *) + let args = + let n = match chop with None -> 0 | Some c -> c in + let l, r = CList.chop n (List.rev args) in + List.rev r + in + let args = + let rec aux hyps args acc = + let open Context.Named.Declaration in + match (hyps, args) with + | LocalAssum _ :: tlh, c :: tla -> + aux tlh tla (substrec (depth, fixrels) c :: acc) + | LocalDef _ :: tlh, _ :: tla -> aux tlh tla acc + | [], [] -> acc + | _, _ -> acc + (*failwith "subst_evars: invalid argument"*) + in + aux hyps args [] + in + if + List.exists + (fun x -> + match EConstr.kind evm x with + | Constr.Rel n -> Int.List.mem n fixrels + | _ -> false) + args + then transparent := Id.Set.add idstr !transparent; + EConstr.mkApp (idf idstr, Array.of_list args) + | Constr.Fix _ -> + EConstr.map_with_binders evm succfix substrec (depth, 1 :: fixrels) c + | _ -> EConstr.map_with_binders evm succfix substrec (depth, fixrels) c + in + let t' = substrec (0, []) t in + (EConstr.to_constr evm t', !seen, !transparent) + +(** Substitute variable references in t using de Bruijn indices, + where n binders were passed through. *) +let subst_vars acc n t = + let var_index id = Util.List.index Id.equal id acc in + let rec substrec depth c = + match Constr.kind c with + | Constr.Var v -> ( + try Constr.mkRel (depth + var_index v) with Not_found -> c ) + | _ -> Constr.map_with_binders succ substrec depth c + in + substrec 0 t + +(** Rewrite type of an evar ([ H1 : t1, ... Hn : tn |- concl ]) + to a product : forall H1 : t1, ..., forall Hn : tn, concl. + Changes evars and hypothesis references to variable references. +*) +let etype_of_evar evm evs hyps concl = + let open Context.Named.Declaration in + let rec aux acc n = function + | decl :: tl -> ( + let t', s, trans = + subst_evar_constr evm evs n EConstr.mkVar + (Context.Named.Declaration.get_type decl) + in + let t'' = subst_vars acc 0 t' in + let rest, s', trans' = + aux (Context.Named.Declaration.get_id decl :: acc) (succ n) tl + in + let s' = Int.Set.union s s' in + let trans' = Id.Set.union trans trans' in + match decl with + | LocalDef (id, c, _) -> + let c', s'', trans'' = subst_evar_constr evm evs n EConstr.mkVar c in + let c' = subst_vars acc 0 c' in + ( Term.mkNamedProd_or_LetIn (LocalDef (id, c', t'')) rest + , Int.Set.union s'' s' + , Id.Set.union trans'' trans' ) + | LocalAssum (id, _) -> + (Term.mkNamedProd_or_LetIn (LocalAssum (id, t'')) rest, s', trans') ) + | [] -> + let t', s, trans = subst_evar_constr evm evs n EConstr.mkVar concl in + (subst_vars acc 0 t', s, trans) + in + aux [] 0 (List.rev hyps) + +let trunc_named_context n ctx = + let len = List.length ctx in + CList.firstn (len - n) ctx + +let rec chop_product n t = + let pop t = Vars.lift (-1) t in + if Int.equal n 0 then Some t + else + match Constr.kind t with + | Constr.Prod (_, _, b) -> + if Vars.noccurn 1 b then chop_product (pred n) (pop b) else None + | _ -> None + +let evar_dependencies evm oev = + let one_step deps = + Evar.Set.fold + (fun ev s -> + let evi = Evd.find evm ev in + let deps' = Evd.evars_of_filtered_evar_info evm evi in + if Evar.Set.mem oev deps' then + invalid_arg + ( "Ill-formed evar map: cycle detected for evar " + ^ Pp.string_of_ppcmds @@ Evar.print oev ) + else Evar.Set.union deps' s) + deps deps + in + let rec aux deps = + let deps' = one_step deps in + if Evar.Set.equal deps deps' then deps else aux deps' + in + aux (Evar.Set.singleton oev) + +let move_after ((id, ev, deps) as obl) l = + let rec aux restdeps = function + | ((id', _, _) as obl') :: tl -> + let restdeps' = Evar.Set.remove id' restdeps in + if Evar.Set.is_empty restdeps' then obl' :: obl :: tl + else obl' :: aux restdeps' tl + | [] -> [obl] + in + aux (Evar.Set.remove id deps) l + +let sort_dependencies evl = + let rec aux l found list = + match l with + | ((id, ev, deps) as obl) :: tl -> + let found' = Evar.Set.union found (Evar.Set.singleton id) in + if Evar.Set.subset deps found' then aux tl found' (obl :: list) + else aux (move_after obl tl) found list + | [] -> List.rev list + in + aux evl Evar.Set.empty [] + +let retrieve_obligations env name evm fs ?status t ty = + (* 'Serialize' the evars *) + let nc = Environ.named_context env in + let nc_len = Context.Named.length nc in + let evm = Evarutil.nf_evar_map_undefined evm in + let evl = Evarutil.non_instantiated evm in + let evl = Evar.Map.bindings evl in + let evl = List.map (fun (id, ev) -> (id, ev, evar_dependencies evm id)) evl in + let sevl = sort_dependencies evl in + let evl = List.map (fun (id, ev, _) -> (id, ev)) sevl in + let evn = + let i = ref (-1) in + List.rev_map + (fun (id, ev) -> + incr i; + ( id + , ( !i + , Id.of_string + (Id.to_string name ^ "_obligation_" ^ string_of_int (succ !i)) ) + , ev )) + evl + in + let evts = + (* Remove existential variables in types and build the corresponding products *) + List.fold_right + (fun (id, (n, nstr), ev) l -> + let hyps = Evd.evar_filtered_context ev in + let hyps = trunc_named_context nc_len hyps in + let evtyp, deps, transp = etype_of_evar evm l hyps ev.Evd.evar_concl in + let evtyp, hyps, chop = + match chop_product fs evtyp with + | Some t -> (t, trunc_named_context fs hyps, fs) + | None -> (evtyp, hyps, 0) + in + let loc, k = Evd.evar_source id evm in + let status = + match k with + | Evar_kinds.QuestionMark {Evar_kinds.qm_obligation = o} -> o + | _ -> ( + match status with + | Some o -> o + | None -> + Evar_kinds.Define (not (Program.get_proofs_transparency ())) ) + in + let force_status, status, chop = + match status with + | Evar_kinds.Define true as stat -> + if not (Int.equal chop fs) then (true, Evar_kinds.Define false, None) + else (false, stat, Some chop) + | s -> (false, s, None) + in + let info = + { ev_name = (n, nstr) + ; ev_hyps = hyps + ; ev_status = (force_status, status) + ; ev_chop = chop + ; ev_src = (loc, k) + ; ev_typ = evtyp + ; ev_deps = deps + ; ev_tac = None } + in + (id, info) :: l) + evn [] + in + let t', _, transparent = + (* Substitute evar refs in the term by variables *) + subst_evar_constr evm evts 0 EConstr.mkVar t + in + let ty, _, _ = subst_evar_constr evm evts 0 EConstr.mkVar ty in + let evars = + List.map + (fun (ev, info) -> + let { ev_name = _, name + ; ev_status = force_status, status + ; ev_src = src + ; ev_typ = typ + ; ev_deps = deps + ; ev_tac = tac } = + info + in + let force_status, status = + match status with + | Evar_kinds.Define true when Id.Set.mem name transparent -> + (true, Evar_kinds.Define false) + | _ -> (force_status, status) + in + (name, typ, src, (force_status, status), deps, tac)) + evts + in + let evnames = List.map (fun (ev, info) -> (ev, snd info.ev_name)) evts in + let evmap f c = Util.pi1 (subst_evar_constr evm evts 0 f c) in + (Array.of_list (List.rev evars), (evnames, evmap), t', ty) diff --git a/vernac/retrieveObl.mli b/vernac/retrieveObl.mli new file mode 100644 index 0000000000..c9c45bd889 --- /dev/null +++ b/vernac/retrieveObl.mli @@ -0,0 +1,46 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +val check_evars : Environ.env -> Evd.evar_map -> unit + +type obligation_info = + ( Names.Id.t + * Constr.types + * Evar_kinds.t Loc.located + * (bool * Evar_kinds.obligation_definition_status) + * Int.Set.t + * unit Proofview.tactic option ) + array +(** ident, type, location of the original evar, (opaque or + transparent, expand or define), dependencies as indexes into the + array, tactic to solve it *) + +val retrieve_obligations : + Environ.env + -> Names.Id.t + -> Evd.evar_map + -> int + -> ?status:Evar_kinds.obligation_definition_status + -> EConstr.t + -> EConstr.types + -> obligation_info + * ( (Evar.t * Names.Id.t) list + * ((Names.Id.t -> EConstr.t) -> EConstr.t -> Constr.t) ) + * Constr.t + * Constr.t +(** [retrieve_obligations env id sigma fs ?status body type] returns + [obls, (evnames, evmap), nbody, ntype] a list of obligations built + from evars in [body, type]. + + [fs] is the number of function prototypes to try to clear from + evars contexts. [evnames, evmap) is the list of names / + substitution functions used to program with holes. This is not used + in Coq, but in the equations plugin; [evnames] is actually + redundant with the information contained in [obls] *) diff --git a/vernac/search.ml b/vernac/search.ml index 68a30b4231..8b54b696f2 100644 --- a/vernac/search.ml +++ b/vernac/search.ml @@ -61,7 +61,7 @@ let iter_named_context_name_type f = let get_current_or_goal_context ?pstate glnum = match pstate with | None -> let env = Global.env () in Evd.(from_env env, env) - | Some p -> Pfedit.get_goal_context p glnum + | Some p -> Declare.get_goal_context p glnum (* General search over hypothesis of a goal *) let iter_hypothesis ?pstate glnum (fn : GlobRef.t -> env -> constr -> unit) = diff --git a/vernac/search.mli b/vernac/search.mli index 6dbbff3a8c..d3b8444b5f 100644 --- a/vernac/search.mli +++ b/vernac/search.mli @@ -38,13 +38,13 @@ val search_filter : glob_search_about_item -> filter_function goal and the global environment for things matching [pattern] and satisfying module exclude/include clauses of [modinout]. *) -val search_by_head : ?pstate:Proof_global.t -> int option -> constr_pattern -> DirPath.t list * bool +val search_by_head : ?pstate:Declare.Proof.t -> int option -> constr_pattern -> DirPath.t list * bool -> display_function -> unit -val search_rewrite : ?pstate:Proof_global.t -> int option -> constr_pattern -> DirPath.t list * bool +val search_rewrite : ?pstate:Declare.Proof.t -> int option -> constr_pattern -> DirPath.t list * bool -> display_function -> unit -val search_pattern : ?pstate:Proof_global.t -> int option -> constr_pattern -> DirPath.t list * bool +val search_pattern : ?pstate:Declare.Proof.t -> int option -> constr_pattern -> DirPath.t list * bool -> display_function -> unit -val search : ?pstate:Proof_global.t -> int option -> (bool * glob_search_about_item) list +val search : ?pstate:Declare.Proof.t -> int option -> (bool * glob_search_about_item) list -> DirPath.t list * bool -> display_function -> unit type search_constraint = @@ -65,12 +65,12 @@ type 'a coq_object = { coq_object_object : 'a; } -val interface_search : ?pstate:Proof_global.t -> ?glnum:int -> (search_constraint * bool) list -> +val interface_search : ?pstate:Declare.Proof.t -> ?glnum:int -> (search_constraint * bool) list -> constr coq_object list (** {6 Generic search function} *) -val generic_search : ?pstate:Proof_global.t -> int option -> display_function -> unit +val generic_search : ?pstate:Declare.Proof.t -> int option -> display_function -> unit (** This function iterates over all hypothesis of the goal numbered [glnum] (if present) and all known declarations. *) diff --git a/vernac/vernac.mllib b/vernac/vernac.mllib index 6e398d87ca..618a61f487 100644 --- a/vernac/vernac.mllib +++ b/vernac/vernac.mllib @@ -14,8 +14,10 @@ Proof_using Egramcoq Metasyntax DeclareUniv -DeclareDef +RetrieveObl +Declare DeclareObl +ComHints Canonical RecLemmas Library @@ -43,3 +45,6 @@ ComArguments Vernacentries Vernacstate Vernacinterp +Proof_global +Pfedit +DeclareDef diff --git a/vernac/vernacentries.ml b/vernac/vernacentries.ml index 963b5f2084..aac0b54ed4 100644 --- a/vernac/vernacentries.ml +++ b/vernac/vernacentries.ml @@ -34,12 +34,12 @@ let (f_interp_redexp, interp_redexp_hook) = Hook.make () let get_current_or_global_context ~pstate = match pstate with | None -> let env = Global.env () in Evd.(from_env env, env) - | Some p -> Pfedit.get_current_context p + | Some p -> Declare.get_current_context p let get_goal_or_global_context ~pstate glnum = match pstate with | None -> let env = Global.env () in Evd.(from_env env, env) - | Some p -> Pfedit.get_goal_context p glnum + | Some p -> Declare.get_goal_context p glnum let cl_of_qualid = function | FunClass -> Coercionops.CL_FUN @@ -94,13 +94,13 @@ let show_proof ~pstate = (* spiwack: this would probably be cooler with a bit of polishing. *) try let pstate = Option.get pstate in - let p = Proof_global.get_proof pstate in - let sigma, env = Pfedit.get_current_context pstate in + let p = Declare.Proof.get_proof pstate in + let sigma, env = Declare.get_current_context pstate in let pprf = Proof.partial_proof p in Pp.prlist_with_sep Pp.fnl (Printer.pr_econstr_env env sigma) pprf (* We print nothing if there are no goals left *) with - | Pfedit.NoSuchGoal + | Proof.NoSuchGoal _ | Option.IsNone -> user_err (str "No goals to show.") @@ -460,7 +460,7 @@ let vernac_custom_entry ~module_local s = let check_name_freshness locality {CAst.loc;v=id} : unit = (* We check existence here: it's a bit late at Qed time *) if Nametab.exists_cci (Lib.make_path id) || Termops.is_section_variable id || - locality <> DeclareDef.Discharge && Nametab.exists_cci (Lib.make_path_except_section id) + locality <> Declare.Discharge && Nametab.exists_cci (Lib.make_path_except_section id) then user_err ?loc (Id.print id ++ str " already exists.") @@ -475,8 +475,8 @@ let program_inference_hook env sigma ev = Evarutil.is_ground_term sigma concl) then None else - let c, _, _, ctx = - Pfedit.build_by_tactic ~poly:false env ~uctx:(Evd.evar_universe_context sigma) ~typ:concl tac + let c, _, _, _, ctx = + Declare.build_by_tactic ~poly:false env ~uctx:(Evd.evar_universe_context sigma) ~typ:concl tac in Some (Evd.set_universe_context sigma ctx, EConstr.of_constr c) with @@ -486,11 +486,14 @@ let program_inference_hook env sigma ev = let start_lemma_com ~program_mode ~poly ~scope ~kind ?hook thms = let env0 = Global.env () in + let flags = Pretyping.{ all_no_fail_flags with program_mode } in let decl = fst (List.hd thms) in let evd, udecl = Constrexpr_ops.interp_univ_decl_opt env0 (snd decl) in let evd, thms = List.fold_left_map (fun evd ((id, _), (bl, t)) -> - let evd, (impls, ((env, ctx), imps)) = Constrintern.interp_context_evars ~program_mode env0 evd bl in - let evd, (t', imps') = Constrintern.interp_type_evars_impls ~program_mode ~impls env evd t in + let evd, (impls, ((env, ctx), imps)) = + Constrintern.interp_context_evars ~program_mode env0 evd bl + in + let evd, (t', imps') = Constrintern.interp_type_evars_impls ~flags ~impls env evd t in let flags = Pretyping.{ all_and_fail_flags with program_mode } in let inference_hook = if program_mode then Some program_inference_hook else None in let evd = Pretyping.solve_remaining_evars ?hook:inference_hook flags env evd in @@ -501,7 +504,7 @@ let start_lemma_com ~program_mode ~poly ~scope ~kind ?hook thms = let recguard,thms,snl = RecLemmas.look_for_possibly_mutual_statements evd thms in let evd = Evd.minimize_universes evd in let thms = List.map (fun (name, (typ, (args, impargs))) -> - { DeclareDef.Recthm.name; typ = EConstr.to_constr evd typ; args; impargs} ) thms in + { Declare.Recthm.name; typ = EConstr.to_constr evd typ; args; impargs} ) thms in let () = let open UState in if not (udecl.univdecl_extensible_instance && udecl.univdecl_extensible_constraints) then @@ -518,17 +521,19 @@ let vernac_definition_hook ~canonical_instance ~local ~poly = let open Decls in | Coercion -> Some (ComCoercion.add_coercion_hook ~poly) | CanonicalStructure -> - Some (DeclareDef.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure ?local dref))) + Some (Declare.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure ?local dref))) | SubClass -> Some (ComCoercion.add_subclass_hook ~poly) | Definition when canonical_instance -> - Some (DeclareDef.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure ?local dref))) + Some (Declare.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure ?local dref))) | Let when canonical_instance -> - Some (DeclareDef.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure dref))) + Some (Declare.Hook.(make (fun { S.dref } -> Canonical.declare_canonical_structure dref))) | _ -> None +let default_thm_id = Id.of_string "Unnamed_thm" + let fresh_name_for_anonymous_theorem () = - Namegen.next_global_ident_away Lemmas.default_thm_id Id.Set.empty + Namegen.next_global_ident_away default_thm_id Id.Set.empty let vernac_definition_name lid local = let lid = @@ -537,7 +542,7 @@ let vernac_definition_name lid local = CAst.make ?loc (fresh_name_for_anonymous_theorem ()) | { v = Name.Name n; loc } -> CAst.make ?loc n in let () = - let open DeclareDef in + let open Declare in match local with | Discharge -> Dumpglob.dump_definition lid true "var" | Global _ -> Dumpglob.dump_definition lid false "def" @@ -565,7 +570,9 @@ let vernac_definition ~atts (discharge, kind) (lid, pl) bl red_option c typ_opt let env = Global.env () in let sigma = Evd.from_env env in Some (snd (Hook.get f_interp_redexp env sigma r)) in - ComDefinition.do_definition ~program_mode ~name:name.v + let do_definition = + ComDefinition.(if program_mode then do_definition_program else do_definition) in + do_definition ~name:name.v ~poly:atts.polymorphic ~scope ~kind pl bl red_option c typ_opt ?hook (* NB: pstate argument to use combinators easily *) @@ -586,7 +593,7 @@ let vernac_exact_proof ~lemma c = (* spiwack: for simplicity I do not enforce that "Proof proof_term" is called only at the beginning of a proof. *) let lemma, status = Lemmas.by (Tactics.exact_proof c) lemma in - let () = Lemmas.save_lemma_proved ~lemma ~opaque:Proof_global.Opaque ~idopt:None in + let () = Lemmas.save_lemma_proved ~lemma ~opaque:Declare.Opaque ~idopt:None in if not status then Feedback.feedback Feedback.AddedAxiom let vernac_assumption ~atts discharge kind l nl = @@ -596,8 +603,8 @@ let vernac_assumption ~atts discharge kind l nl = if Dumpglob.dump () then List.iter (fun (lid, _) -> match scope with - | DeclareDef.Global _ -> Dumpglob.dump_definition lid false "ax" - | DeclareDef.Discharge -> Dumpglob.dump_definition lid true "var") idl) l; + | Declare.Global _ -> Dumpglob.dump_definition lid false "ax" + | Declare.Discharge -> Dumpglob.dump_definition lid true "var") idl) l; ComAssumption.do_assumptions ~poly:atts.polymorphic ~program_mode:atts.program ~scope ~kind nl l let is_polymorphic_inductive_cumulativity = @@ -865,12 +872,62 @@ let vernac_constraint ~poly l = (**********************) (* Modules *) +let add_subnames_of ns full_n n = + let open GlobRef in + let module NSet = Globnames.ExtRefSet in + let add1 r ns = NSet.add (Globnames.TrueGlobal r) ns in + match n with + | Globnames.SynDef _ | Globnames.TrueGlobal (ConstRef _ | ConstructRef _ | VarRef _) -> + CErrors.user_err Pp.(str "Only inductive types can be used with Import (...).") + | Globnames.TrueGlobal (IndRef (mind,i)) -> + let open Declarations in + let dp = Libnames.dirpath full_n in + let mib = Global.lookup_mind mind in + let mip = mib.mind_packets.(i) in + let ns = add1 (IndRef (mind,i)) ns in + let ns = Array.fold_left_i (fun j ns _ -> add1 (ConstructRef ((mind,i),j+1)) ns) + ns mip.mind_consnames + in + List.fold_left (fun ns f -> + let s = Indrec.elimination_suffix f in + let n_elim = Id.of_string (Id.to_string mip.mind_typename ^ s) in + match Nametab.extended_global_of_path (Libnames.make_path dp n_elim) with + | exception Not_found -> ns + | n_elim -> NSet.add n_elim ns) + ns Sorts.all_families + +let interp_filter_in m = function + | ImportAll -> Libobject.Unfiltered + | ImportNames ns -> + let module NSet = Globnames.ExtRefSet in + let dp_m = Nametab.dirpath_of_module m in + let ns = + List.fold_left (fun ns (n,etc) -> + let full_n = + let dp_n,n = repr_qualid n in + make_path (append_dirpath dp_m dp_n) n + in + let n = try Nametab.extended_global_of_path full_n + with Not_found -> + CErrors.user_err + Pp.(str "Cannot find name " ++ pr_qualid n ++ spc() ++ + str "in module " ++ pr_qualid (Nametab.shortest_qualid_of_module m)) + in + let ns = NSet.add n ns in + if etc then add_subnames_of ns full_n n else ns) + NSet.empty ns + in + Libobject.Names ns + let vernac_import export refl = - let import_mod qid = - try Declaremods.import_module ~export @@ Nametab.locate_module qid - with Not_found -> - CErrors.user_err Pp.(str "Cannot find module " ++ pr_qualid qid) - in + let import_mod (qid,f) = + let m = try Nametab.locate_module qid + with Not_found -> + CErrors.user_err Pp.(str "Cannot find module " ++ pr_qualid qid) + in + let f = interp_filter_in m f in + Declaremods.import_module f ~export m + in List.iter import_mod refl let vernac_declare_module export {loc;v=id} binders_ast mty_ast = @@ -886,7 +943,7 @@ let vernac_declare_module export {loc;v=id} binders_ast mty_ast = let mp = Declaremods.declare_module id binders_ast (Declaremods.Enforce mty_ast) [] in Dumpglob.dump_moddef ?loc mp "mod"; Flags.if_verbose Feedback.msg_info (str "Module " ++ Id.print id ++ str " is declared"); - Option.iter (fun export -> vernac_import export [qualid_of_ident id]) export + Option.iter (fun export -> vernac_import export [qualid_of_ident id, ImportAll]) export let vernac_define_module export {loc;v=id} (binders_ast : module_binder list) mty_ast_o mexpr_ast_l = (* We check the state of the system (in section, in module type) @@ -907,7 +964,7 @@ let vernac_define_module export {loc;v=id} (binders_ast : module_binder list) mt List.iter (fun (export,id) -> Option.iter - (fun export -> vernac_import export [qualid_of_ident id]) export + (fun export -> vernac_import export [qualid_of_ident id, ImportAll]) export ) argsexport | _::_ -> let binders_ast = List.map @@ -922,14 +979,14 @@ let vernac_define_module export {loc;v=id} (binders_ast : module_binder list) mt Dumpglob.dump_moddef ?loc mp "mod"; Flags.if_verbose Feedback.msg_info (str "Module " ++ Id.print id ++ str " is defined"); - Option.iter (fun export -> vernac_import export [qualid_of_ident id]) + Option.iter (fun export -> vernac_import export [qualid_of_ident id, ImportAll]) export let vernac_end_module export {loc;v=id} = let mp = Declaremods.end_module () in Dumpglob.dump_modref ?loc mp "mod"; Flags.if_verbose Feedback.msg_info (str "Module " ++ Id.print id ++ str " is defined"); - Option.iter (fun export -> vernac_import export [qualid_of_ident ?loc id]) export + Option.iter (fun export -> vernac_import export [qualid_of_ident ?loc id, ImportAll]) export let vernac_declare_module_type {loc;v=id} binders_ast mty_sign mty_ast_l = if Global.sections_are_opened () then @@ -950,7 +1007,7 @@ let vernac_declare_module_type {loc;v=id} binders_ast mty_sign mty_ast_l = List.iter (fun (export,id) -> Option.iter - (fun export -> vernac_import export [qualid_of_ident ?loc id]) export + (fun export -> vernac_import export [qualid_of_ident ?loc id, ImportAll]) export ) argsexport | _ :: _ -> @@ -1110,7 +1167,7 @@ let focus_command_cond = Proof.no_cond command_focus all tactics fail if there are no further goals to prove. *) let vernac_solve_existential ~pstate n com = - Proof_global.map_proof (fun p -> + Declare.Proof.map_proof (fun p -> let intern env sigma = Constrintern.intern_constr env sigma com in Proof.V82.instantiate_evar (Global.env ()) n intern p) pstate @@ -1118,12 +1175,12 @@ let vernac_set_end_tac ~pstate tac = let env = Genintern.empty_glob_sign (Global.env ()) in let _, tac = Genintern.generic_intern env tac in (* TO DO verifier s'il faut pas mettre exist s | TacId s ici*) - Proof_global.set_endline_tactic tac pstate + Declare.Proof.set_endline_tactic tac pstate -let vernac_set_used_variables ~pstate e : Proof_global.t = +let vernac_set_used_variables ~pstate e : Declare.Proof.t = let env = Global.env () in let initial_goals pf = Proofview.initial_goals Proof.(data pf).Proof.entry in - let tys = List.map snd (initial_goals (Proof_global.get_proof pstate)) in + let tys = List.map snd (initial_goals (Declare.Proof.get_proof pstate)) in let tys = List.map EConstr.Unsafe.to_constr tys in let l = Proof_using.process_expr env e tys in let vars = Environ.named_context env in @@ -1132,7 +1189,7 @@ let vernac_set_used_variables ~pstate e : Proof_global.t = user_err ~hdr:"vernac_set_used_variables" (str "Unknown variable: " ++ Id.print id)) l; - let _, pstate = Proof_global.set_used_variables pstate l in + let _, pstate = Declare.Proof.set_used_variables pstate l in pstate (*****************************) @@ -1218,7 +1275,7 @@ let vernac_hints ~atts dbnames h = "This command does not support the export attribute in sections."); | OptDefault | OptLocal -> () in - Hints.add_hints ~locality dbnames (Hints.interp_hints ~poly h) + Hints.add_hints ~locality dbnames (ComHints.interp_hints ~poly h) let vernac_syntactic_definition ~atts lid x only_parsing = let module_local, deprecation = Attributes.(parse Notations.(module_locality ++ deprecation) atts) in @@ -1244,16 +1301,26 @@ let vernac_generalizable ~local = let local = Option.default true local in Implicit_quantifiers.declare_generalizable ~local +let allow_sprop_opt_name = ["Allow";"StrictProp"] +let cumul_sprop_opt_name = ["Cumulative";"StrictProp"] + let () = declare_bool_option { optdepr = false; - optkey = ["Allow";"StrictProp"]; + optkey = allow_sprop_opt_name; optread = (fun () -> Global.sprop_allowed()); optwrite = Global.set_allow_sprop } let () = declare_bool_option { optdepr = false; + optkey = cumul_sprop_opt_name; + optread = Global.is_cumulative_sprop; + optwrite = Global.set_cumulative_sprop } + +let () = + declare_bool_option + { optdepr = false; optkey = ["Silent"]; optread = (fun () -> !Flags.quiet); optwrite = ((:=) Flags.quiet) } @@ -1429,41 +1496,20 @@ let () = optwrite = CWarnings.set_flags } let () = - declare_string_option - { optdepr = false; - optkey = ["NativeCompute"; "Profile"; "Filename"]; - optread = Nativenorm.get_profile_filename; - optwrite = Nativenorm.set_profile_filename } - -let () = - declare_bool_option - { optdepr = false; - optkey = ["NativeCompute"; "Profiling"]; - optread = Nativenorm.get_profiling_enabled; - optwrite = Nativenorm.set_profiling_enabled } - -let () = - declare_bool_option - { optdepr = false; - optkey = ["NativeCompute"; "Timing"]; - optread = Nativenorm.get_timing_enabled; - optwrite = Nativenorm.set_timing_enabled } - -let _ = declare_bool_option { optdepr = false; optkey = ["Guard"; "Checking"]; optread = (fun () -> (Global.typing_flags ()).Declarations.check_guarded); optwrite = (fun b -> Global.set_check_guarded b) } -let _ = +let () = declare_bool_option { optdepr = false; optkey = ["Positivity"; "Checking"]; optread = (fun () -> (Global.typing_flags ()).Declarations.check_positive); optwrite = (fun b -> Global.set_check_positive b) } -let _ = +let () = declare_bool_option { optdepr = false; optkey = ["Universe"; "Checking"]; @@ -1516,26 +1562,11 @@ let vernac_set_option ~locality table v = match v with vernac_set_option0 ~locality table v | _ -> vernac_set_option0 ~locality table v -let vernac_add_option key lv = - let f = function - | StringRefValue s -> (get_string_table key).add (Global.env()) s - | QualidRefValue locqid -> (get_ref_table key).add (Global.env()) locqid - in - try List.iter f lv with Not_found -> error_undeclared_key key +let vernac_add_option = iter_table { aux = fun table -> table.add } -let vernac_remove_option key lv = - let f = function - | StringRefValue s -> (get_string_table key).remove (Global.env()) s - | QualidRefValue locqid -> (get_ref_table key).remove (Global.env()) locqid - in - try List.iter f lv with Not_found -> error_undeclared_key key +let vernac_remove_option = iter_table { aux = fun table -> table.remove } -let vernac_mem_option key lv = - let f = function - | StringRefValue s -> (get_string_table key).mem (Global.env()) s - | QualidRefValue locqid -> (get_ref_table key).mem (Global.env()) locqid - in - try List.iter f lv with Not_found -> error_undeclared_key key +let vernac_mem_option = iter_table { aux = fun table -> table.mem } let vernac_print_option key = try (get_ref_table key).print () @@ -1551,8 +1582,8 @@ let get_current_context_of_args ~pstate = let env = Global.env () in Evd.(from_env env, env) | Some lemma -> function - | Some n -> Pfedit.get_goal_context lemma n - | None -> Pfedit.get_current_context lemma + | Some n -> Declare.get_goal_context lemma n + | None -> Declare.get_current_context lemma let query_command_selector ?loc = function | None -> None @@ -1617,7 +1648,7 @@ let vernac_global_check c = let get_nth_goal ~pstate n = - let pf = Proof_global.get_proof pstate in + let pf = Declare.Proof.get_proof pstate in let Proof.{goals;sigma} = Proof.data pf in let gl = {Evd.it=List.nth goals (n-1) ; sigma = sigma; } in gl @@ -1652,7 +1683,7 @@ let print_about_hyp_globs ~pstate ?loc ref_or_by_not udecl glopt = let natureofid = match decl with | LocalAssum _ -> "Hypothesis" | LocalDef (_,bdy,_) ->"Constant (let in)" in - let sigma, env = Pfedit.get_current_context pstate in + let sigma, env = Declare.get_current_context pstate in v 0 (Id.print id ++ str":" ++ pr_econstr_env env sigma (NamedDecl.get_type decl) ++ fnl() ++ fnl() ++ str natureofid ++ str " of the goal context.") with (* fallback to globals *) @@ -1696,7 +1727,8 @@ let vernac_print ~pstate ~atts = | PrintHintGoal -> begin match pstate with | Some pstate -> - Hints.pr_applicable_hint pstate + let pf = Declare.Proof.get_proof pstate in + Hints.pr_applicable_hint pf | None -> str "No proof in progress" end @@ -1855,7 +1887,7 @@ let vernac_register qid r = (* Proof management *) let vernac_focus ~pstate gln = - Proof_global.map_proof (fun p -> + Declare.Proof.map_proof (fun p -> match gln with | None -> Proof.focus focus_command_cond () 1 p | Some 0 -> @@ -1866,13 +1898,13 @@ let vernac_focus ~pstate gln = (* Unfocuses one step in the focus stack. *) let vernac_unfocus ~pstate = - Proof_global.map_proof + Declare.Proof.map_proof (fun p -> Proof.unfocus command_focus p ()) pstate (* Checks that a proof is fully unfocused. Raises an error if not. *) let vernac_unfocused ~pstate = - let p = Proof_global.get_proof pstate in + let p = Declare.Proof.get_proof pstate in if Proof.unfocused p then str"The proof is indeed fully unfocused." else @@ -1885,7 +1917,7 @@ let subproof_kind = Proof.new_focus_kind () let subproof_cond = Proof.done_cond subproof_kind let vernac_subproof gln ~pstate = - Proof_global.map_proof (fun p -> + Declare.Proof.map_proof (fun p -> match gln with | None -> Proof.focus subproof_cond () 1 p | Some (Goal_select.SelectNth n) -> Proof.focus subproof_cond () n p @@ -1895,12 +1927,12 @@ let vernac_subproof gln ~pstate = pstate let vernac_end_subproof ~pstate = - Proof_global.map_proof (fun p -> + Declare.Proof.map_proof (fun p -> Proof.unfocus subproof_kind p ()) pstate let vernac_bullet (bullet : Proof_bullet.t) ~pstate = - Proof_global.map_proof (fun p -> + Declare.Proof.map_proof (fun p -> Proof_bullet.put p bullet) pstate (* Stack is needed due to show proof names, should deprecate / remove @@ -1917,7 +1949,7 @@ let vernac_show ~pstate = end (* Show functions that require a proof state *) | Some pstate -> - let proof = Proof_global.get_proof pstate in + let proof = Declare.Proof.get_proof pstate in begin function | ShowGoal goalref -> begin match goalref with @@ -1929,14 +1961,14 @@ let vernac_show ~pstate = | ShowUniverses -> show_universes ~proof (* Deprecate *) | ShowProofNames -> - Id.print (Proof_global.get_proof_name pstate) + Id.print (Declare.Proof.get_proof_name pstate) | ShowIntros all -> show_intro ~proof all | ShowProof -> show_proof ~pstate:(Some pstate) | ShowMatch id -> show_match id end let vernac_check_guard ~pstate = - let pts = Proof_global.get_proof pstate in + let pts = Declare.Proof.get_proof pstate in let pfterm = List.hd (Proof.partial_proof pts) in let message = try diff --git a/vernac/vernacentries.mli b/vernac/vernacentries.mli index f5cf9702cd..cf233248d7 100644 --- a/vernac/vernacentries.mli +++ b/vernac/vernacentries.mli @@ -24,3 +24,6 @@ val interp_redexp_hook : (Environ.env -> Evd.evar_map -> Genredexpr.raw_red_expr (** Miscellaneous stuff *) val command_focus : unit Proof.focus_kind + +val allow_sprop_opt_name : string list +val cumul_sprop_opt_name : string list diff --git a/vernac/vernacexpr.ml b/vernac/vernacexpr.ml index d6e7a3947a..b622fd9801 100644 --- a/vernac/vernacexpr.ml +++ b/vernac/vernacexpr.ml @@ -101,7 +101,14 @@ type verbose_flag = bool (* true = Verbose; false = Silent *) type coercion_flag = bool (* true = AddCoercion false = NoCoercion *) type instance_flag = bool option (* Some true = Backward instance; Some false = Forward instance, None = NoInstance *) + type export_flag = bool (* true = Export; false = Import *) + +type one_import_filter_name = qualid * bool (* import inductive components *) +type import_filter_expr = + | ImportAll + | ImportNames of one_import_filter_name list + type onlyparsing_flag = { onlyparsing : bool } (* Some v = Parse only; None = Print also. If v<>Current, it contains the name of the coq version @@ -114,10 +121,6 @@ type option_setting = | OptionSetInt of int | OptionSetString of string -type option_ref_value = - | StringRefValue of string - | QualidRefValue of qualid - (** Identifier and optional list of bound universes and constraints. *) type sort_expr = Sorts.family @@ -192,10 +195,12 @@ type syntax_modifier = | SetOnlyPrinting | SetFormat of string * lstring +type opacity_flag = Opaque | Transparent + type proof_end = | Admitted (* name in `Save ident` when closing goal *) - | Proved of Proof_global.opacity_flag * lident option + | Proved of opacity_flag * lident option type scheme = | InductionScheme of bool * qualid or_by_notation * sort_expr @@ -283,6 +288,22 @@ type extend_name = type discharge = DoDischarge | NoDischarge +type hint_info_expr = Constrexpr.constr_pattern_expr Typeclasses.hint_info_gen + +type reference_or_constr = + | HintsReference of Libnames.qualid + | HintsConstr of Constrexpr.constr_expr + +type hints_expr = + | HintsResolve of (hint_info_expr * bool * reference_or_constr) list + | HintsResolveIFF of bool * Libnames.qualid list * int option + | HintsImmediate of reference_or_constr list + | HintsUnfold of Libnames.qualid list + | HintsTransparency of Libnames.qualid Hints.hints_transparency_target * bool + | HintsMode of Libnames.qualid * Hints.hint_mode list + | HintsConstructors of Libnames.qualid list + | HintsExtern of int * Constrexpr.constr_expr option * Genarg.raw_generic_argument + type nonrec vernac_expr = | VernacLoad of verbose_flag * string @@ -320,7 +341,7 @@ type nonrec vernac_expr = | VernacEndSegment of lident | VernacRequire of qualid option * export_flag option * qualid list - | VernacImport of export_flag * qualid list + | VernacImport of export_flag * (qualid * import_filter_expr) list | VernacCanonical of qualid or_by_notation | VernacCoercion of qualid or_by_notation * class_rawexpr * class_rawexpr @@ -333,18 +354,18 @@ type nonrec vernac_expr = local_binder_expr list * (* binders *) constr_expr * (* type *) (bool * constr_expr) option * (* body (bool=true when using {}) *) - Hints.hint_info_expr + hint_info_expr | VernacDeclareInstance of ident_decl * (* name *) local_binder_expr list * (* binders *) constr_expr * (* type *) - Hints.hint_info_expr + hint_info_expr | VernacContext of local_binder_expr list | VernacExistingInstance of - (qualid * Hints.hint_info_expr) list (* instances names, priorities and patterns *) + (qualid * hint_info_expr) list (* instances names, priorities and patterns *) | VernacExistingClass of qualid (* inductive or definition name *) @@ -384,7 +405,7 @@ type nonrec vernac_expr = (* Commands *) | VernacCreateHintDb of string * bool | VernacRemoveHints of string list * qualid list - | VernacHints of string list * Hints.hints_expr + | VernacHints of string list * hints_expr | VernacSyntacticDefinition of lident * (Id.t list * constr_expr) * onlyparsing_flag @@ -399,9 +420,9 @@ type nonrec vernac_expr = | VernacSetStrategy of (Conv_oracle.level * qualid or_by_notation list) list | VernacSetOption of bool (* Export modifier? *) * Goptions.option_name * option_setting - | VernacAddOption of Goptions.option_name * option_ref_value list - | VernacRemoveOption of Goptions.option_name * option_ref_value list - | VernacMemOption of Goptions.option_name * option_ref_value list + | VernacAddOption of Goptions.option_name * Goptions.table_value list + | VernacRemoveOption of Goptions.option_name * Goptions.table_value list + | VernacMemOption of Goptions.option_name * Goptions.table_value list | VernacPrintOption of Goptions.option_name | VernacCheckMayEval of Genredexpr.raw_red_expr option * Goal_select.t option * constr_expr | VernacGlobalCheck of constr_expr diff --git a/vernac/vernacextend.ml b/vernac/vernacextend.ml index 1920c276af..d772f274a2 100644 --- a/vernac/vernacextend.ml +++ b/vernac/vernacextend.ml @@ -57,9 +57,9 @@ type typed_vernac = | VtNoProof of (unit -> unit) | VtCloseProof of (lemma:Lemmas.t -> unit) | VtOpenProof of (unit -> Lemmas.t) - | VtModifyProof of (pstate:Proof_global.t -> Proof_global.t) - | VtReadProofOpt of (pstate:Proof_global.t option -> unit) - | VtReadProof of (pstate:Proof_global.t -> unit) + | VtModifyProof of (pstate:Declare.Proof.t -> Declare.Proof.t) + | VtReadProofOpt of (pstate:Declare.Proof.t option -> unit) + | VtReadProof of (pstate:Declare.Proof.t -> unit) type vernac_command = atts:Attributes.vernac_flags -> typed_vernac diff --git a/vernac/vernacextend.mli b/vernac/vernacextend.mli index 0d0ebc1086..58c267080a 100644 --- a/vernac/vernacextend.mli +++ b/vernac/vernacextend.mli @@ -75,9 +75,9 @@ type typed_vernac = | VtNoProof of (unit -> unit) | VtCloseProof of (lemma:Lemmas.t -> unit) | VtOpenProof of (unit -> Lemmas.t) - | VtModifyProof of (pstate:Proof_global.t -> Proof_global.t) - | VtReadProofOpt of (pstate:Proof_global.t option -> unit) - | VtReadProof of (pstate:Proof_global.t -> unit) + | VtModifyProof of (pstate:Declare.Proof.t -> Declare.Proof.t) + | VtReadProofOpt of (pstate:Declare.Proof.t option -> unit) + | VtReadProof of (pstate:Declare.Proof.t -> unit) type vernac_command = atts:Attributes.vernac_flags -> typed_vernac diff --git a/vernac/vernacinterp.ml b/vernac/vernacinterp.ml index 15a19c06c2..19d41c4770 100644 --- a/vernac/vernacinterp.ml +++ b/vernac/vernacinterp.ml @@ -51,24 +51,17 @@ let interp_typed_vernac c ~stack = (* Default proof mode, to be set at the beginning of proofs for programs that cannot be statically classified. *) -let default_proof_mode = ref (Pvernac.register_proof_mode "Noedit" Pvernac.Vernac_.noedit_mode) -let get_default_proof_mode () = !default_proof_mode +let proof_mode_opt_name = ["Default";"Proof";"Mode"] -let get_default_proof_mode_opt () = Pvernac.proof_mode_to_string !default_proof_mode -let set_default_proof_mode_opt name = - default_proof_mode := - match Pvernac.lookup_proof_mode name with +let get_default_proof_mode = + Goptions.declare_interpreted_string_option_and_ref + ~depr:false + ~key:proof_mode_opt_name + ~value:(Pvernac.register_proof_mode "Noedit" Pvernac.Vernac_.noedit_mode) + (fun name -> match Pvernac.lookup_proof_mode name with | Some pm -> pm - | None -> CErrors.user_err Pp.(str (Format.sprintf "No proof mode named \"%s\"." name)) - -let proof_mode_opt_name = ["Default";"Proof";"Mode"] -let () = - Goptions.declare_string_option Goptions.{ - optdepr = false; - optkey = proof_mode_opt_name; - optread = get_default_proof_mode_opt; - optwrite = set_default_proof_mode_opt; - } + | None -> CErrors.user_err Pp.(str (Format.sprintf "No proof mode named \"%s\"." name))) + Pvernac.proof_mode_to_string (** A global default timeout, controlled by option "Set Default Timeout n". Use "Unset Default Timeout" to deactivate it (or set it to 0). *) @@ -216,7 +209,7 @@ and interp_control ~st ({ CAst.v = cmd } as vernac) = let before_univs = Global.universes () in let pstack = interp_expr ~atts:cmd.attrs ~st cmd.expr in if before_univs == Global.universes () then pstack - else Option.map (Vernacstate.LemmaStack.map_top_pstate ~f:Proof_global.update_global_env) pstack) + else Option.map (Vernacstate.LemmaStack.map_top_pstate ~f:Declare.Proof.update_global_env) pstack) ~st (* XXX: This won't properly set the proof mode, as of today, it is @@ -258,7 +251,7 @@ let interp_gen ~verbosely ~st ~interp_fn cmd = try vernac_timeout (fun st -> let v_mod = if verbosely then Flags.verbosely else Flags.silently in let ontop = v_mod (interp_fn ~st) cmd in - Vernacstate.Proof_global.set ontop [@ocaml.warning "-3"]; + Vernacstate.Declare.set ontop [@ocaml.warning "-3"]; Vernacstate.freeze_interp_state ~marshallable:false ) st with exn -> diff --git a/vernac/vernacinterp.mli b/vernac/vernacinterp.mli index 9f5bfb46ee..e3e708e87d 100644 --- a/vernac/vernacinterp.mli +++ b/vernac/vernacinterp.mli @@ -14,7 +14,7 @@ val interp : ?verbosely:bool -> st:Vernacstate.t -> Vernacexpr.vernac_control -> (** Execute a Qed but with a proof_object which may contain a delayed proof and won't be forced *) val interp_qed_delayed_proof - : proof:Proof_global.proof_object + : proof:Declare.proof_object -> info:Lemmas.Info.t -> st:Vernacstate.t -> control:Vernacexpr.control_flag list diff --git a/vernac/vernacstate.ml b/vernac/vernacstate.ml index 6846826bfa..0fca1e9078 100644 --- a/vernac/vernacstate.ml +++ b/vernac/vernacstate.ml @@ -45,7 +45,7 @@ module LemmaStack = struct | Some (l,ls) -> a, (l :: ls) let get_all_proof_names (pf : t) = - let prj x = Lemmas.pf_fold Proof_global.get_proof x in + let prj x = Lemmas.pf_fold Declare.Proof.get_proof x in let (pn, pns) = map Proof.(function pf -> (data (prj pf)).name) pf in pn :: pns @@ -105,7 +105,7 @@ let make_shallow st = } (* Compatibility module *) -module Proof_global = struct +module Declare = struct let get () = !s_lemmas let set x = s_lemmas := x @@ -126,7 +126,7 @@ module Proof_global = struct end open Lemmas - open Proof_global + open Declare let cc f = match !s_lemmas with | None -> raise NoCurrentProof @@ -145,39 +145,40 @@ module Proof_global = struct | Some x -> s_lemmas := Some (LemmaStack.map_top_pstate ~f x) let there_are_pending_proofs () = !s_lemmas <> None - let get_open_goals () = cc get_open_goals + let get_open_goals () = cc Proof.get_open_goals - let give_me_the_proof_opt () = Option.map (LemmaStack.with_top_pstate ~f:get_proof) !s_lemmas - let give_me_the_proof () = cc get_proof - let get_current_proof_name () = cc get_proof_name + let give_me_the_proof_opt () = Option.map (LemmaStack.with_top_pstate ~f:Proof.get_proof) !s_lemmas + let give_me_the_proof () = cc Proof.get_proof + let get_current_proof_name () = cc Proof.get_proof_name - let map_proof f = dd (map_proof f) + let map_proof f = dd (Proof.map_proof f) let with_current_proof f = match !s_lemmas with | None -> raise NoCurrentProof | Some stack -> - let pf, res = LemmaStack.with_top_pstate stack ~f:(map_fold_proof_endline f) in + let pf, res = LemmaStack.with_top_pstate stack ~f:(Proof.map_fold_proof_endline f) in let stack = LemmaStack.map_top_pstate stack ~f:(fun _ -> pf) in s_lemmas := Some stack; res - type closed_proof = Proof_global.proof_object * Lemmas.Info.t + type closed_proof = Declare.proof_object * Lemmas.Info.t - let return_proof ?allow_partial () = cc (return_proof ?allow_partial) + let return_proof () = cc return_proof + let return_partial_proof () = cc return_partial_proof - let close_future_proof ~opaque ~feedback_id pf = - cc_lemma (fun pt -> pf_fold (fun st -> close_future_proof ~opaque ~feedback_id st pf) pt, - Internal.get_info pt) + let close_future_proof ~feedback_id pf = + cc_lemma (fun pt -> pf_fold (fun st -> close_future_proof ~feedback_id st pf) pt, + Lemmas.Internal.get_info pt) - let close_proof ~opaque ~keep_body_ucst_separate f = - cc_lemma (fun pt -> pf_fold ((close_proof ~opaque ~keep_body_ucst_separate f)) pt, - Internal.get_info pt) + let close_proof ~opaque ~keep_body_ucst_separate = + cc_lemma (fun pt -> pf_fold ((close_proof ~opaque ~keep_body_ucst_separate)) pt, + Lemmas.Internal.get_info pt) let discard_all () = s_lemmas := None - let update_global_env () = dd (update_global_env) + let update_global_env () = dd (Proof.update_global_env) - let get_current_context () = cc Pfedit.get_current_context + let get_current_context () = cc Declare.get_current_context let get_all_proof_names () = try cc_stack LemmaStack.get_all_proof_names diff --git a/vernac/vernacstate.mli b/vernac/vernacstate.mli index 7607f8373a..fb6d8b6db6 100644 --- a/vernac/vernacstate.mli +++ b/vernac/vernacstate.mli @@ -25,8 +25,8 @@ module LemmaStack : sig val pop : t -> Lemmas.t * t option val push : t option -> Lemmas.t -> t - val map_top_pstate : f:(Proof_global.t -> Proof_global.t) -> t -> t - val with_top_pstate : t -> f:(Proof_global.t -> 'a ) -> 'a + val map_top_pstate : f:(Declare.Proof.t -> Declare.Proof.t) -> t -> t + val with_top_pstate : t -> f:(Declare.Proof.t -> 'a ) -> 'a end @@ -50,7 +50,7 @@ val make_shallow : t -> t val invalidate_cache : unit -> unit (* Compatibility module: Do Not Use *) -module Proof_global : sig +module Declare : sig exception NoCurrentProof @@ -65,16 +65,16 @@ module Proof_global : sig val with_current_proof : (unit Proofview.tactic -> Proof.t -> Proof.t * 'a) -> 'a - val return_proof : ?allow_partial:bool -> unit -> Proof_global.closed_proof_output + val return_proof : unit -> Declare.closed_proof_output + val return_partial_proof : unit -> Declare.closed_proof_output - type closed_proof = Proof_global.proof_object * Lemmas.Info.t + type closed_proof = Declare.proof_object * Lemmas.Info.t val close_future_proof : - opaque:Proof_global.opacity_flag -> feedback_id:Stateid.t -> - Proof_global.closed_proof_output Future.computation -> closed_proof + Declare.closed_proof_output Future.computation -> closed_proof - val close_proof : opaque:Proof_global.opacity_flag -> keep_body_ucst_separate:bool -> Future.fix_exn -> closed_proof + val close_proof : opaque:Declare.opacity_flag -> keep_body_ucst_separate:bool -> closed_proof val discard_all : unit -> unit val update_global_env : unit -> unit @@ -89,7 +89,7 @@ module Proof_global : sig val get : unit -> LemmaStack.t option val set : LemmaStack.t option -> unit - val get_pstate : unit -> Proof_global.t option + val get_pstate : unit -> Declare.Proof.t option val freeze : marshallable:bool -> LemmaStack.t option val unfreeze : LemmaStack.t -> unit |